28135430

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{163}}^1\times {\mathrm{421}}^1$

素因数の和:632

約数の個数: 32

約数和(自身を含む): 52321248

約数和(自身を除く): 24185818

約数列:

[1, 2, 5, 10, 41, 82, 163, 205, 326, 410, 421, 815, 842, 1630, 2105, 4210, 6683, 13366, 17261, 33415, 34522, 66830, 68623, 86305, 137246, 172610, 343115, 686230, 2813543, 5627086, 14067715, 28135430]

約数ペア:

[(1, 28135430), (2, 14067715), (5, 5627086), (10, 2813543), (41, 686230), (82, 343115), (163, 172610), (205, 137246), (326, 86305), (410, 68623), (421, 66830), (815, 34522), (842, 33415), (1630, 17261), (2105, 13366), (4210, 6683)]