66192880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{63647}}^1$

素因数の和:63673

約数の個数: 40

約数和(自身を含む): 165739392

約数和(自身を除く): 99546512

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 63647, 127294, 254588, 318235, 509176, 636470, 827411, 1018352, 1272940, 1654822, 2545880, 3309644, 4137055, 5091760, 6619288, 8274110, 13238576, 16548220, 33096440, 66192880]

約数ペア:

[(1, 66192880), (2, 33096440), (4, 16548220), (5, 13238576), (8, 8274110), (10, 6619288), (13, 5091760), (16, 4137055), (20, 3309644), (26, 2545880), (40, 1654822), (52, 1272940), (65, 1018352), (80, 827411), (104, 636470), (130, 509176), (208, 318235), (260, 254588), (520, 127294), (1040, 63647)]