15752680

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{3613}}^1$

素因数の和:3733

約数の個数: 32

約数和(自身を含む): 35778600

約数和(自身を除く): 20025920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 3613, 4360, 7226, 14452, 18065, 28904, 36130, 72260, 144520, 393817, 787634, 1575268, 1969085, 3150536, 3938170, 7876340, 15752680]

約数ペア:

[(1, 15752680), (2, 7876340), (4, 3938170), (5, 3150536), (8, 1969085), (10, 1575268), (20, 787634), (40, 393817), (109, 144520), (218, 72260), (436, 36130), (545, 28904), (872, 18065), (1090, 14452), (2180, 7226), (3613, 4360)]