125928280

素因数分解:

$2^3\times 5^1\times {\mathrm{271}}^1\times {\mathrm{11617}}^1$

素因数の和:11899

約数の個数: 32

約数和(自身を含む): 284408640

約数和(自身を除く): 158480360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 271, 542, 1084, 1355, 2168, 2710, 5420, 10840, 11617, 23234, 46468, 58085, 92936, 116170, 232340, 464680, 3148207, 6296414, 12592828, 15741035, 25185656, 31482070, 62964140, 125928280]

約数ペア:

[(1, 125928280), (2, 62964140), (4, 31482070), (5, 25185656), (8, 15741035), (10, 12592828), (20, 6296414), (40, 3148207), (271, 464680), (542, 232340), (1084, 116170), (1355, 92936), (2168, 58085), (2710, 46468), (5420, 23234), (10840, 11617)]