16535440

素因数分解:

$2^4\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1487}}^1$

素因数の和:1639

約数の個数: 40

約数和(自身を含む): 38747520

約数和(自身を除く): 22212080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 139, 278, 556, 695, 1112, 1390, 1487, 2224, 2780, 2974, 5560, 5948, 7435, 11120, 11896, 14870, 23792, 29740, 59480, 118960, 206693, 413386, 826772, 1033465, 1653544, 2066930, 3307088, 4133860, 8267720, 16535440]

約数ペア:

[(1, 16535440), (2, 8267720), (4, 4133860), (5, 3307088), (8, 2066930), (10, 1653544), (16, 1033465), (20, 826772), (40, 413386), (80, 206693), (139, 118960), (278, 59480), (556, 29740), (695, 23792), (1112, 14870), (1390, 11896), (1487, 11120), (2224, 7435), (2780, 5948), (2974, 5560)]