138562520

素因数分解:

$2^3\times 5^1\times {\mathrm{613}}^1\times {\mathrm{5651}}^1$

素因数の和:6275

約数の個数: 32

約数和(自身を含む): 312329520

約数和(自身を除く): 173767000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 613, 1226, 2452, 3065, 4904, 5651, 6130, 11302, 12260, 22604, 24520, 28255, 45208, 56510, 113020, 226040, 3464063, 6928126, 13856252, 17320315, 27712504, 34640630, 69281260, 138562520]

約数ペア:

[(1, 138562520), (2, 69281260), (4, 34640630), (5, 27712504), (8, 17320315), (10, 13856252), (20, 6928126), (40, 3464063), (613, 226040), (1226, 113020), (2452, 56510), (3065, 45208), (4904, 28255), (5651, 24520), (6130, 22604), (11302, 12260)]