45408520

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{8167}}^1$

素因数の和:8317

約数の個数: 32

約数和(自身を含む): 102916800

約数和(自身を除く): 57508280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2780, 5560, 8167, 16334, 32668, 40835, 65336, 81670, 163340, 326680, 1135213, 2270426, 4540852, 5676065, 9081704, 11352130, 22704260, 45408520]

約数ペア:

[(1, 45408520), (2, 22704260), (4, 11352130), (5, 9081704), (8, 5676065), (10, 4540852), (20, 2270426), (40, 1135213), (139, 326680), (278, 163340), (556, 81670), (695, 65336), (1112, 40835), (1390, 32668), (2780, 16334), (5560, 8167)]