431097640

素因数分解:

$2^3\times 5^1\times {\mathrm{1409}}^1\times {\mathrm{7649}}^1$

素因数の和:9069

約数の個数: 32

約数和(自身を含む): 970785000

約数和(自身を除く): 539687360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1409, 2818, 5636, 7045, 7649, 11272, 14090, 15298, 28180, 30596, 38245, 56360, 61192, 76490, 152980, 305960, 10777441, 21554882, 43109764, 53887205, 86219528, 107774410, 215548820, 431097640]

約数ペア:

[(1, 431097640), (2, 215548820), (4, 107774410), (5, 86219528), (8, 53887205), (10, 43109764), (20, 21554882), (40, 10777441), (1409, 305960), (2818, 152980), (5636, 76490), (7045, 61192), (7649, 56360), (11272, 38245), (14090, 30596), (15298, 28180)]