78264380

素因数分解:

$2^2\times 5^1\times {\mathrm{1013}}^1\times {\mathrm{3863}}^1$

素因数の和:4885

約数の個数: 24

約数和(自身を含む): 164560032

約数和(自身を除く): 86295652

約数列:

[1, 2, 4, 5, 10, 20, 1013, 2026, 3863, 4052, 5065, 7726, 10130, 15452, 19315, 20260, 38630, 77260, 3913219, 7826438, 15652876, 19566095, 39132190, 78264380]

約数ペア:

[(1, 78264380), (2, 39132190), (4, 19566095), (5, 15652876), (10, 7826438), (20, 3913219), (1013, 77260), (2026, 38630), (3863, 20260), (4052, 19315), (5065, 15452), (7726, 10130)]