40854080

素因数分解:

$2^6\times 5^1\times {\mathrm{127669}}^1$

素因数の和:127686

約数の個数: 28

約数和(自身を含む): 97284540

約数和(自身を除く): 56430460

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 127669, 255338, 510676, 638345, 1021352, 1276690, 2042704, 2553380, 4085408, 5106760, 8170816, 10213520, 20427040, 40854080]

約数ペア:

[(1, 40854080), (2, 20427040), (4, 10213520), (5, 8170816), (8, 5106760), (10, 4085408), (16, 2553380), (20, 2042704), (32, 1276690), (40, 1021352), (64, 638345), (80, 510676), (160, 255338), (320, 127669)]