78708160

素因数分解:

$2^6\times 5^1\times {\mathrm{245963}}^1$

素因数の和:245980

約数の個数: 28

約数和(自身を含む): 187424568

約数和(自身を除く): 108716408

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 245963, 491926, 983852, 1229815, 1967704, 2459630, 3935408, 4919260, 7870816, 9838520, 15741632, 19677040, 39354080, 78708160]

約数ペア:

[(1, 78708160), (2, 39354080), (4, 19677040), (5, 15741632), (8, 9838520), (10, 7870816), (16, 4919260), (20, 3935408), (32, 2459630), (40, 1967704), (64, 1229815), (80, 983852), (160, 491926), (320, 245963)]