80182720

素因数分解:

$2^6\times 5^1\times {\mathrm{127}}^1\times {\mathrm{1973}}^1$

素因数の和:2117

約数の個数: 56

約数和(自身を含む): 192536064

約数和(自身を除く): 112353344

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 160, 254, 320, 508, 635, 1016, 1270, 1973, 2032, 2540, 3946, 4064, 5080, 7892, 8128, 9865, 10160, 15784, 19730, 20320, 31568, 39460, 40640, 63136, 78920, 126272, 157840, 250571, 315680, 501142, 631360, 1002284, 1252855, 2004568, 2505710, 4009136, 5011420, 8018272, 10022840, 16036544, 20045680, 40091360, 80182720]

約数ペア:

[(1, 80182720), (2, 40091360), (4, 20045680), (5, 16036544), (8, 10022840), (10, 8018272), (16, 5011420), (20, 4009136), (32, 2505710), (40, 2004568), (64, 1252855), (80, 1002284), (127, 631360), (160, 501142), (254, 315680), (320, 250571), (508, 157840), (635, 126272), (1016, 78920), (1270, 63136), (1973, 40640), (2032, 39460), (2540, 31568), (3946, 20320), (4064, 19730), (5080, 15784), (7892, 10160), (8128, 9865)]