77607920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{74623}}^1$

素因数の和:74649

約数の個数: 40

約数和(自身を含む): 194320896

約数和(自身を除く): 116712976

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 74623, 149246, 298492, 373115, 596984, 746230, 970099, 1193968, 1492460, 1940198, 2984920, 3880396, 4850495, 5969840, 7760792, 9700990, 15521584, 19401980, 38803960, 77607920]

約数ペア:

[(1, 77607920), (2, 38803960), (4, 19401980), (5, 15521584), (8, 9700990), (10, 7760792), (13, 5969840), (16, 4850495), (20, 3880396), (26, 2984920), (40, 1940198), (52, 1492460), (65, 1193968), (80, 970099), (104, 746230), (130, 596984), (208, 373115), (260, 298492), (520, 149246), (1040, 74623)]