66481480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127849}}^1$

素因数の和:127873

約数の個数: 32

約数和(自身を含む): 161091000

約数和(自身を除く): 94609520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 127849, 255698, 511396, 639245, 1022792, 1278490, 1662037, 2556980, 3324074, 5113960, 6648148, 8310185, 13296296, 16620370, 33240740, 66481480]

約数ペア:

[(1, 66481480), (2, 33240740), (4, 16620370), (5, 13296296), (8, 8310185), (10, 6648148), (13, 5113960), (20, 3324074), (26, 2556980), (40, 1662037), (52, 1278490), (65, 1022792), (104, 639245), (130, 511396), (260, 255698), (520, 127849)]