25025680

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{10091}}^1$

素因数の和:10135

約数の個数: 40

約数和(自身を含む): 60067584

約数和(自身を除く): 35041904

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 10091, 20182, 40364, 50455, 80728, 100910, 161456, 201820, 312821, 403640, 625642, 807280, 1251284, 1564105, 2502568, 3128210, 5005136, 6256420, 12512840, 25025680]

約数ペア:

[(1, 25025680), (2, 12512840), (4, 6256420), (5, 5005136), (8, 3128210), (10, 2502568), (16, 1564105), (20, 1251284), (31, 807280), (40, 625642), (62, 403640), (80, 312821), (124, 201820), (155, 161456), (248, 100910), (310, 80728), (496, 50455), (620, 40364), (1240, 20182), (2480, 10091)]