88688840

素因数分解:

$2^3\times 5^1\times {\mathrm{613}}^1\times {\mathrm{3617}}^1$

素因数の和:4241

約数の個数: 32

約数和(自身を含む): 199930680

約数和(自身を除く): 111241840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 613, 1226, 2452, 3065, 3617, 4904, 6130, 7234, 12260, 14468, 18085, 24520, 28936, 36170, 72340, 144680, 2217221, 4434442, 8868884, 11086105, 17737768, 22172210, 44344420, 88688840]

約数ペア:

[(1, 88688840), (2, 44344420), (4, 22172210), (5, 17737768), (8, 11086105), (10, 8868884), (20, 4434442), (40, 2217221), (613, 144680), (1226, 72340), (2452, 36170), (3065, 28936), (3617, 24520), (4904, 18085), (6130, 14468), (7234, 12260)]