215538160

素因数分解:

$2^4\times 5^1\times {\mathrm{163}}^1\times {\mathrm{16529}}^1$

素因数の和:16705

約数の個数: 40

約数和(自身を含む): 504231120

約数和(自身を除く): 288692960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 163, 326, 652, 815, 1304, 1630, 2608, 3260, 6520, 13040, 16529, 33058, 66116, 82645, 132232, 165290, 264464, 330580, 661160, 1322320, 2694227, 5388454, 10776908, 13471135, 21553816, 26942270, 43107632, 53884540, 107769080, 215538160]

約数ペア:

[(1, 215538160), (2, 107769080), (4, 53884540), (5, 43107632), (8, 26942270), (10, 21553816), (16, 13471135), (20, 10776908), (40, 5388454), (80, 2694227), (163, 1322320), (326, 661160), (652, 330580), (815, 264464), (1304, 165290), (1630, 132232), (2608, 82645), (3260, 66116), (6520, 33058), (13040, 16529)]