40279940

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{587}}^1$

素因数の和:716

約数の個数: 48

約数和(自身を含む): 87720192

約数和(自身を除く): 47440252

約数列:

[1, 2, 4, 5, 10, 20, 47, 73, 94, 146, 188, 235, 292, 365, 470, 587, 730, 940, 1174, 1460, 2348, 2935, 3431, 5870, 6862, 11740, 13724, 17155, 27589, 34310, 42851, 55178, 68620, 85702, 110356, 137945, 171404, 214255, 275890, 428510, 551780, 857020, 2013997, 4027994, 8055988, 10069985, 20139970, 40279940]

約数ペア:

[(1, 40279940), (2, 20139970), (4, 10069985), (5, 8055988), (10, 4027994), (20, 2013997), (47, 857020), (73, 551780), (94, 428510), (146, 275890), (188, 214255), (235, 171404), (292, 137945), (365, 110356), (470, 85702), (587, 68620), (730, 55178), (940, 42851), (1174, 34310), (1460, 27589), (2348, 17155), (2935, 13724), (3431, 11740), (5870, 6862)]