51157840

素因数分解:

$2^4\times 5^1\times {\mathrm{181}}^1\times {\mathrm{3533}}^1$

素因数の和:3727

約数の個数: 40

約数和(自身を含む): 119632968

約数和(自身を除く): 68475128

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 181, 362, 724, 905, 1448, 1810, 2896, 3533, 3620, 7066, 7240, 14132, 14480, 17665, 28264, 35330, 56528, 70660, 141320, 282640, 639473, 1278946, 2557892, 3197365, 5115784, 6394730, 10231568, 12789460, 25578920, 51157840]

約数ペア:

[(1, 51157840), (2, 25578920), (4, 12789460), (5, 10231568), (8, 6394730), (10, 5115784), (16, 3197365), (20, 2557892), (40, 1278946), (80, 639473), (181, 282640), (362, 141320), (724, 70660), (905, 56528), (1448, 35330), (1810, 28264), (2896, 17665), (3533, 14480), (3620, 14132), (7066, 7240)]