130087280

素因数分解:

$2^4\times 5^1\times {\mathrm{1626091}}^1$

素因数の和:1626104

約数の個数: 20

約数和(自身を含む): 302453112

約数和(自身を除く): 172365832

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1626091, 3252182, 6504364, 8130455, 13008728, 16260910, 26017456, 32521820, 65043640, 130087280]

約数ペア:

[(1, 130087280), (2, 65043640), (4, 32521820), (5, 26017456), (8, 16260910), (10, 13008728), (16, 8130455), (20, 6504364), (40, 3252182), (80, 1626091)]