64221040

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61751}}^1$

素因数の和:61777

約数の個数: 40

約数和(自身を含む): 160802208

約数和(自身を除く): 96581168

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 61751, 123502, 247004, 308755, 494008, 617510, 802763, 988016, 1235020, 1605526, 2470040, 3211052, 4013815, 4940080, 6422104, 8027630, 12844208, 16055260, 32110520, 64221040]

約数ペア:

[(1, 64221040), (2, 32110520), (4, 16055260), (5, 12844208), (8, 8027630), (10, 6422104), (13, 4940080), (16, 4013815), (20, 3211052), (26, 2470040), (40, 1605526), (52, 1235020), (65, 988016), (80, 802763), (104, 617510), (130, 494008), (208, 308755), (260, 247004), (520, 123502), (1040, 61751)]