16591640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31907}}^1$

素因数の和:31931

約数の個数: 32

約数和(自身を含む): 40204080

約数和(自身を除く): 23612440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 31907, 63814, 127628, 159535, 255256, 319070, 414791, 638140, 829582, 1276280, 1659164, 2073955, 3318328, 4147910, 8295820, 16591640]

約数ペア:

[(1, 16591640), (2, 8295820), (4, 4147910), (5, 3318328), (8, 2073955), (10, 1659164), (13, 1276280), (20, 829582), (26, 638140), (40, 414791), (52, 319070), (65, 255256), (104, 159535), (130, 127628), (260, 63814), (520, 31907)]