8967920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{8623}}^1$

素因数の和:8649

約数の個数: 40

約数和(自身を含む): 22456896

約数和(自身を除く): 13488976

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 8623, 17246, 34492, 43115, 68984, 86230, 112099, 137968, 172460, 224198, 344920, 448396, 560495, 689840, 896792, 1120990, 1793584, 2241980, 4483960, 8967920]

約数ペア:

[(1, 8967920), (2, 4483960), (4, 2241980), (5, 1793584), (8, 1120990), (10, 896792), (13, 689840), (16, 560495), (20, 448396), (26, 344920), (40, 224198), (52, 172460), (65, 137968), (80, 112099), (104, 86230), (130, 68984), (208, 43115), (260, 34492), (520, 17246), (1040, 8623)]