3978280

素因数分解:

$2^3\times 5^1\times {\mathrm{271}}^1\times {\mathrm{367}}^1$

素因数の和:649

約数の個数: 32

約数和(自身を含む): 9008640

約数和(自身を除く): 5030360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 271, 367, 542, 734, 1084, 1355, 1468, 1835, 2168, 2710, 2936, 3670, 5420, 7340, 10840, 14680, 99457, 198914, 397828, 497285, 795656, 994570, 1989140, 3978280]

約数ペア:

[(1, 3978280), (2, 1989140), (4, 994570), (5, 795656), (8, 497285), (10, 397828), (20, 198914), (40, 99457), (271, 14680), (367, 10840), (542, 7340), (734, 5420), (1084, 3670), (1355, 2936), (1468, 2710), (1835, 2168)]