85878640

素因数分解:

$2^4\times 5^1\times {\mathrm{227}}^1\times {\mathrm{4729}}^1$

素因数の和:4969

約数の個数: 40

約数和(自身を含む): 200589840

約数和(自身を除く): 114711200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 227, 454, 908, 1135, 1816, 2270, 3632, 4540, 4729, 9080, 9458, 18160, 18916, 23645, 37832, 47290, 75664, 94580, 189160, 378320, 1073483, 2146966, 4293932, 5367415, 8587864, 10734830, 17175728, 21469660, 42939320, 85878640]

約数ペア:

[(1, 85878640), (2, 42939320), (4, 21469660), (5, 17175728), (8, 10734830), (10, 8587864), (16, 5367415), (20, 4293932), (40, 2146966), (80, 1073483), (227, 378320), (454, 189160), (908, 94580), (1135, 75664), (1816, 47290), (2270, 37832), (3632, 23645), (4540, 18916), (4729, 18160), (9080, 9458)]