325502480

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{131251}}^1$

素因数の和:131295

約数の個数: 40

約数和(自身を含む): 781211904

約数和(自身を除く): 455709424

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 131251, 262502, 525004, 656255, 1050008, 1312510, 2100016, 2625020, 4068781, 5250040, 8137562, 10500080, 16275124, 20343905, 32550248, 40687810, 65100496, 81375620, 162751240, 325502480]

約数ペア:

[(1, 325502480), (2, 162751240), (4, 81375620), (5, 65100496), (8, 40687810), (10, 32550248), (16, 20343905), (20, 16275124), (31, 10500080), (40, 8137562), (62, 5250040), (80, 4068781), (124, 2625020), (155, 2100016), (248, 1312510), (310, 1050008), (496, 656255), (620, 525004), (1240, 262502), (2480, 131251)]