66459640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127807}}^1$

素因数の和:127831

約数の個数: 32

約数和(自身を含む): 161038080

約数和(自身を除く): 94578440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 127807, 255614, 511228, 639035, 1022456, 1278070, 1661491, 2556140, 3322982, 5112280, 6645964, 8307455, 13291928, 16614910, 33229820, 66459640]

約数ペア:

[(1, 66459640), (2, 33229820), (4, 16614910), (5, 13291928), (8, 8307455), (10, 6645964), (13, 5112280), (20, 3322982), (26, 2556140), (40, 1661491), (52, 1278070), (65, 1022456), (104, 639035), (130, 511228), (260, 255614), (520, 127807)]