1333130180

素因数分解:

$2^2\times 5^1\times {\mathrm{421}}^1\times {\mathrm{158329}}^1$

素因数の和:158759

約数の個数: 24

約数和(自身を含む): 2806240920

約数和(自身を除く): 1473110740

約数列:

[1, 2, 4, 5, 10, 20, 421, 842, 1684, 2105, 4210, 8420, 158329, 316658, 633316, 791645, 1583290, 3166580, 66656509, 133313018, 266626036, 333282545, 666565090, 1333130180]

約数ペア:

[(1, 1333130180), (2, 666565090), (4, 333282545), (5, 266626036), (10, 133313018), (20, 66656509), (421, 3166580), (842, 1583290), (1684, 791645), (2105, 633316), (4210, 316658), (8420, 158329)]