25528095620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{920263}}^1$

素因数の和:920364

約数の個数: 48

約数和(自身を含む): 57203610240

約数和(自身を除く): 31675514620

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 73, 76, 95, 146, 190, 292, 365, 380, 730, 1387, 1460, 2774, 5548, 6935, 13870, 27740, 920263, 1840526, 3681052, 4601315, 9202630, 17484997, 18405260, 34969994, 67179199, 69939988, 87424985, 134358398, 174849970, 268716796, 335895995, 349699940, 671791990, 1276404781, 1343583980, 2552809562, 5105619124, 6382023905, 12764047810, 25528095620]

約数ペア:

[(1, 25528095620), (2, 12764047810), (4, 6382023905), (5, 5105619124), (10, 2552809562), (19, 1343583980), (20, 1276404781), (38, 671791990), (73, 349699940), (76, 335895995), (95, 268716796), (146, 174849970), (190, 134358398), (292, 87424985), (365, 69939988), (380, 67179199), (730, 34969994), (1387, 18405260), (1460, 17484997), (2774, 9202630), (5548, 4601315), (6935, 3681052), (13870, 1840526), (27740, 920263)]