81845150

素因数分解:

$2^1\times 5^2\times {\mathrm{127}}^1\times {\mathrm{12889}}^1$

素因数の和:13028

約数の個数: 24

約数和(自身を含む): 153442560

約数和(自身を除く): 71597410

約数列:

[1, 2, 5, 10, 25, 50, 127, 254, 635, 1270, 3175, 6350, 12889, 25778, 64445, 128890, 322225, 644450, 1636903, 3273806, 8184515, 16369030, 40922575, 81845150]

約数ペア:

[(1, 81845150), (2, 40922575), (5, 16369030), (10, 8184515), (25, 3273806), (50, 1636903), (127, 644450), (254, 322225), (635, 128890), (1270, 64445), (3175, 25778), (6350, 12889)]