39956800

素因数分解:

$2^6\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1$

素因数の和:165

約数の個数: 168

約数和(自身を含む): 113102136

約数和(自身を除く): 73145336

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 25, 26, 32, 34, 40, 50, 52, 64, 65, 68, 80, 85, 100, 104, 113, 130, 136, 160, 170, 200, 208, 221, 226, 260, 272, 320, 325, 340, 400, 416, 425, 442, 452, 520, 544, 565, 650, 680, 800, 832, 850, 884, 904, 1040, 1088, 1105, 1130, 1300, 1360, 1469, 1600, 1700, 1768, 1808, 1921, 2080, 2210, 2260, 2600, 2720, 2825, 2938, 3400, 3536, 3616, 3842, 4160, 4420, 4520, 5200, 5440, 5525, 5650, 5876, 6800, 7072, 7232, 7345, 7684, 8840, 9040, 9605, 10400, 11050, 11300, 11752, 13600, 14144, 14690, 15368, 17680, 18080, 19210, 20800, 22100, 22600, 23504, 24973, 27200, 29380, 30736, 35360, 36160, 36725, 38420, 44200, 45200, 47008, 48025, 49946, 58760, 61472, 70720, 73450, 76840, 88400, 90400, 94016, 96050, 99892, 117520, 122944, 124865, 146900, 153680, 176800, 180800, 192100, 199784, 235040, 249730, 293800, 307360, 353600, 384200, 399568, 470080, 499460, 587600, 614720, 624325, 768400, 799136, 998920, 1175200, 1248650, 1536800, 1598272, 1997840, 2350400, 2497300, 3073600, 3995680, 4994600, 7991360, 9989200, 19978400, 39956800]

約数ペア:

[(1, 39956800), (2, 19978400), (4, 9989200), (5, 7991360), (8, 4994600), (10, 3995680), (13, 3073600), (16, 2497300), (17, 2350400), (20, 1997840), (25, 1598272), (26, 1536800), (32, 1248650), (34, 1175200), (40, 998920), (50, 799136), (52, 768400), (64, 624325), (65, 614720), (68, 587600), (80, 499460), (85, 470080), (100, 399568), (104, 384200), (113, 353600), (130, 307360), (136, 293800), (160, 249730), (170, 235040), (200, 199784), (208, 192100), (221, 180800), (226, 176800), (260, 153680), (272, 146900), (320, 124865), (325, 122944), (340, 117520), (400, 99892), (416, 96050), (425, 94016), (442, 90400), (452, 88400), (520, 76840), (544, 73450), (565, 70720), (650, 61472), (680, 58760), (800, 49946), (832, 48025), (850, 47008), (884, 45200), (904, 44200), (1040, 38420), (1088, 36725), (1105, 36160), (1130, 35360), (1300, 30736), (1360, 29380), (1469, 27200), (1600, 24973), (1700, 23504), (1768, 22600), (1808, 22100), (1921, 20800), (2080, 19210), (2210, 18080), (2260, 17680), (2600, 15368), (2720, 14690), (2825, 14144), (2938, 13600), (3400, 11752), (3536, 11300), (3616, 11050), (3842, 10400), (4160, 9605), (4420, 9040), (4520, 8840), (5200, 7684), (5440, 7345), (5525, 7232), (5650, 7072), (5876, 6800)]