30686780

素因数分解:

$2^2\times 5^1\times {\mathrm{613}}^1\times {\mathrm{2503}}^1$

素因数の和:3125

約数の個数: 24

約数和(自身を含む): 64573152

約数和(自身を除く): 33886372

約数列:

[1, 2, 4, 5, 10, 20, 613, 1226, 2452, 2503, 3065, 5006, 6130, 10012, 12260, 12515, 25030, 50060, 1534339, 3068678, 6137356, 7671695, 15343390, 30686780]

約数ペア:

[(1, 30686780), (2, 15343390), (4, 7671695), (5, 6137356), (10, 3068678), (20, 1534339), (613, 50060), (1226, 25030), (2452, 12515), (2503, 12260), (3065, 10012), (5006, 6130)]