85839620

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{138451}}^1$

素因数の和:138491

約数の個数: 24

約数和(自身を含む): 186079488

約数和(自身を除く): 100239868

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 138451, 276902, 553804, 692255, 1384510, 2769020, 4291981, 8583962, 17167924, 21459905, 42919810, 85839620]

約数ペア:

[(1, 85839620), (2, 42919810), (4, 21459905), (5, 17167924), (10, 8583962), (20, 4291981), (31, 2769020), (62, 1384510), (124, 692255), (155, 553804), (310, 276902), (620, 138451)]