9397840

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1487}}^1$

素因数の和:1579

約数の個数: 40

約数和(自身を含む): 22141440

約数和(自身を除く): 12743600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1264, 1487, 1580, 2974, 3160, 5948, 6320, 7435, 11896, 14870, 23792, 29740, 59480, 117473, 118960, 234946, 469892, 587365, 939784, 1174730, 1879568, 2349460, 4698920, 9397840]

約数ペア:

[(1, 9397840), (2, 4698920), (4, 2349460), (5, 1879568), (8, 1174730), (10, 939784), (16, 587365), (20, 469892), (40, 234946), (79, 118960), (80, 117473), (158, 59480), (316, 29740), (395, 23792), (632, 14870), (790, 11896), (1264, 7435), (1487, 6320), (1580, 5948), (2974, 3160)]