16140920

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{3571}}^1$

素因数の和:3695

約数の個数: 32

約数和(自身を含む): 36648720

約数和(自身を除く): 20507800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 452, 565, 904, 1130, 2260, 3571, 4520, 7142, 14284, 17855, 28568, 35710, 71420, 142840, 403523, 807046, 1614092, 2017615, 3228184, 4035230, 8070460, 16140920]

約数ペア:

[(1, 16140920), (2, 8070460), (4, 4035230), (5, 3228184), (8, 2017615), (10, 1614092), (20, 807046), (40, 403523), (113, 142840), (226, 71420), (452, 35710), (565, 28568), (904, 17855), (1130, 14284), (2260, 7142), (3571, 4520)]