4384640

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1$

素因数の和:80

約数の個数: 128

約数和(自身を含む): 12337920

約数和(自身を除く): 7953280

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 31, 32, 34, 40, 52, 62, 64, 65, 68, 80, 85, 104, 124, 128, 130, 136, 155, 160, 170, 208, 221, 248, 260, 272, 310, 320, 340, 403, 416, 442, 496, 520, 527, 544, 620, 640, 680, 806, 832, 884, 992, 1040, 1054, 1088, 1105, 1240, 1360, 1612, 1664, 1768, 1984, 2015, 2080, 2108, 2176, 2210, 2480, 2635, 2720, 3224, 3536, 3968, 4030, 4160, 4216, 4420, 4960, 5270, 5440, 6448, 6851, 7072, 8060, 8320, 8432, 8840, 9920, 10540, 10880, 12896, 13702, 14144, 16120, 16864, 17680, 19840, 21080, 25792, 27404, 28288, 32240, 33728, 34255, 35360, 42160, 51584, 54808, 64480, 67456, 68510, 70720, 84320, 109616, 128960, 137020, 141440, 168640, 219232, 257920, 274040, 337280, 438464, 548080, 876928, 1096160, 2192320, 4384640]

約数ペア:

[(1, 4384640), (2, 2192320), (4, 1096160), (5, 876928), (8, 548080), (10, 438464), (13, 337280), (16, 274040), (17, 257920), (20, 219232), (26, 168640), (31, 141440), (32, 137020), (34, 128960), (40, 109616), (52, 84320), (62, 70720), (64, 68510), (65, 67456), (68, 64480), (80, 54808), (85, 51584), (104, 42160), (124, 35360), (128, 34255), (130, 33728), (136, 32240), (155, 28288), (160, 27404), (170, 25792), (208, 21080), (221, 19840), (248, 17680), (260, 16864), (272, 16120), (310, 14144), (320, 13702), (340, 12896), (403, 10880), (416, 10540), (442, 9920), (496, 8840), (520, 8432), (527, 8320), (544, 8060), (620, 7072), (640, 6851), (680, 6448), (806, 5440), (832, 5270), (884, 4960), (992, 4420), (1040, 4216), (1054, 4160), (1088, 4030), (1105, 3968), (1240, 3536), (1360, 3224), (1612, 2720), (1664, 2635), (1768, 2480), (1984, 2210), (2015, 2176), (2080, 2108)]