25333640

素因数分解:

$2^3\times 5^1\times {\mathrm{307}}^1\times {\mathrm{2063}}^1$

素因数の和:2381

約数の個数: 32

約数和(自身を含む): 57214080

約数和(自身を除く): 31880440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 307, 614, 1228, 1535, 2063, 2456, 3070, 4126, 6140, 8252, 10315, 12280, 16504, 20630, 41260, 82520, 633341, 1266682, 2533364, 3166705, 5066728, 6333410, 12666820, 25333640]

約数ペア:

[(1, 25333640), (2, 12666820), (4, 6333410), (5, 5066728), (8, 3166705), (10, 2533364), (20, 1266682), (40, 633341), (307, 82520), (614, 41260), (1228, 20630), (1535, 16504), (2063, 12280), (2456, 10315), (3070, 8252), (4126, 6140)]