40265680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{5531}}^1$

素因数の和:5564

約数の個数: 80

約数和(自身を含む): 115242624

約数和(自身を除く): 74976944

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1820, 3640, 5531, 7280, 11062, 22124, 27655, 38717, 44248, 55310, 71903, 77434, 88496, 110620, 143806, 154868, 193585, 221240, 287612, 309736, 359515, 387170, 442480, 503321, 575224, 619472, 719030, 774340, 1006642, 1150448, 1438060, 1548680, 2013284, 2516605, 2876120, 3097360, 4026568, 5033210, 5752240, 8053136, 10066420, 20132840, 40265680]

約数ペア:

[(1, 40265680), (2, 20132840), (4, 10066420), (5, 8053136), (7, 5752240), (8, 5033210), (10, 4026568), (13, 3097360), (14, 2876120), (16, 2516605), (20, 2013284), (26, 1548680), (28, 1438060), (35, 1150448), (40, 1006642), (52, 774340), (56, 719030), (65, 619472), (70, 575224), (80, 503321), (91, 442480), (104, 387170), (112, 359515), (130, 309736), (140, 287612), (182, 221240), (208, 193585), (260, 154868), (280, 143806), (364, 110620), (455, 88496), (520, 77434), (560, 71903), (728, 55310), (910, 44248), (1040, 38717), (1456, 27655), (1820, 22124), (3640, 11062), (5531, 7280)]