8143480

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{1249}}^1$

素因数の和:1423

約数の個数: 32

約数和(自身を含む): 18450000

約数和(自身を除く): 10306520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1249, 1304, 1630, 2498, 3260, 4996, 6245, 6520, 9992, 12490, 24980, 49960, 203587, 407174, 814348, 1017935, 1628696, 2035870, 4071740, 8143480]

約数ペア:

[(1, 8143480), (2, 4071740), (4, 2035870), (5, 1628696), (8, 1017935), (10, 814348), (20, 407174), (40, 203587), (163, 49960), (326, 24980), (652, 12490), (815, 9992), (1249, 6520), (1304, 6245), (1630, 4996), (2498, 3260)]