15128840

素因数分解:

$2^3\times 5^1\times {\mathrm{613}}^1\times {\mathrm{617}}^1$

素因数の和:1241

約数の個数: 32

約数和(自身を含む): 34150680

約数和(自身を除く): 19021840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 613, 617, 1226, 1234, 2452, 2468, 3065, 3085, 4904, 4936, 6130, 6170, 12260, 12340, 24520, 24680, 378221, 756442, 1512884, 1891105, 3025768, 3782210, 7564420, 15128840]

約数ペア:

[(1, 15128840), (2, 7564420), (4, 3782210), (5, 3025768), (8, 1891105), (10, 1512884), (20, 756442), (40, 378221), (613, 24680), (617, 24520), (1226, 12340), (1234, 12260), (2452, 6170), (2468, 6130), (3065, 4936), (3085, 4904)]