31965440

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1$

素因数の和:164

約数の個数: 144

約数和(自身を含む): 88080048

約数和(自身を除く): 56114608

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 32, 34, 40, 52, 64, 65, 68, 80, 85, 104, 113, 128, 130, 136, 160, 170, 208, 221, 226, 256, 260, 272, 320, 340, 416, 442, 452, 520, 544, 565, 640, 680, 832, 884, 904, 1040, 1088, 1105, 1130, 1280, 1360, 1469, 1664, 1768, 1808, 1921, 2080, 2176, 2210, 2260, 2720, 2938, 3328, 3536, 3616, 3842, 4160, 4352, 4420, 4520, 5440, 5876, 7072, 7232, 7345, 7684, 8320, 8840, 9040, 9605, 10880, 11752, 14144, 14464, 14690, 15368, 16640, 17680, 18080, 19210, 21760, 23504, 24973, 28288, 28928, 29380, 30736, 35360, 36160, 38420, 47008, 49946, 56576, 58760, 61472, 70720, 72320, 76840, 94016, 99892, 117520, 122944, 124865, 141440, 144640, 153680, 188032, 199784, 235040, 245888, 249730, 282880, 307360, 376064, 399568, 470080, 491776, 499460, 614720, 799136, 940160, 998920, 1229440, 1598272, 1880320, 1997840, 2458880, 3196544, 3995680, 6393088, 7991360, 15982720, 31965440]

約数ペア:

[(1, 31965440), (2, 15982720), (4, 7991360), (5, 6393088), (8, 3995680), (10, 3196544), (13, 2458880), (16, 1997840), (17, 1880320), (20, 1598272), (26, 1229440), (32, 998920), (34, 940160), (40, 799136), (52, 614720), (64, 499460), (65, 491776), (68, 470080), (80, 399568), (85, 376064), (104, 307360), (113, 282880), (128, 249730), (130, 245888), (136, 235040), (160, 199784), (170, 188032), (208, 153680), (221, 144640), (226, 141440), (256, 124865), (260, 122944), (272, 117520), (320, 99892), (340, 94016), (416, 76840), (442, 72320), (452, 70720), (520, 61472), (544, 58760), (565, 56576), (640, 49946), (680, 47008), (832, 38420), (884, 36160), (904, 35360), (1040, 30736), (1088, 29380), (1105, 28928), (1130, 28288), (1280, 24973), (1360, 23504), (1469, 21760), (1664, 19210), (1768, 18080), (1808, 17680), (1921, 16640), (2080, 15368), (2176, 14690), (2210, 14464), (2260, 14144), (2720, 11752), (2938, 10880), (3328, 9605), (3536, 9040), (3616, 8840), (3842, 8320), (4160, 7684), (4352, 7345), (4420, 7232), (4520, 7072), (5440, 5876)]