996831680

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{239623}}^1$

素因数の和:239653

約数の個数: 56

約数和(自身を含む): 2556308832

約数和(自身を除く): 1559477152

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 520, 832, 1040, 2080, 4160, 239623, 479246, 958492, 1198115, 1916984, 2396230, 3115099, 3833968, 4792460, 6230198, 7667936, 9584920, 12460396, 15335872, 15575495, 19169840, 24920792, 31150990, 38339680, 49841584, 62301980, 76679360, 99683168, 124603960, 199366336, 249207920, 498415840, 996831680]

約数ペア:

[(1, 996831680), (2, 498415840), (4, 249207920), (5, 199366336), (8, 124603960), (10, 99683168), (13, 76679360), (16, 62301980), (20, 49841584), (26, 38339680), (32, 31150990), (40, 24920792), (52, 19169840), (64, 15575495), (65, 15335872), (80, 12460396), (104, 9584920), (130, 7667936), (160, 6230198), (208, 4792460), (260, 3833968), (320, 3115099), (416, 2396230), (520, 1916984), (832, 1198115), (1040, 958492), (2080, 479246), (4160, 239623)]