70138220

素因数分解:

$2^2\times 5^1\times {\mathrm{641}}^1\times {\mathrm{5471}}^1$

素因数の和:6121

約数の個数: 24

約数和(自身を含む): 147547008

約数和(自身を除く): 77408788

約数列:

[1, 2, 4, 5, 10, 20, 641, 1282, 2564, 3205, 5471, 6410, 10942, 12820, 21884, 27355, 54710, 109420, 3506911, 7013822, 14027644, 17534555, 35069110, 70138220]

約数ペア:

[(1, 70138220), (2, 35069110), (4, 17534555), (5, 14027644), (10, 7013822), (20, 3506911), (641, 109420), (1282, 54710), (2564, 27355), (3205, 21884), (5471, 12820), (6410, 10942)]