1586920

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{409}}^1$

素因数の和:517

約数の個数: 32

約数和(自身を含む): 3616200

約数和(自身を除く): 2029280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 409, 485, 776, 818, 970, 1636, 1940, 2045, 3272, 3880, 4090, 8180, 16360, 39673, 79346, 158692, 198365, 317384, 396730, 793460, 1586920]

約数ペア:

[(1, 1586920), (2, 793460), (4, 396730), (5, 317384), (8, 198365), (10, 158692), (20, 79346), (40, 39673), (97, 16360), (194, 8180), (388, 4090), (409, 3880), (485, 3272), (776, 2045), (818, 1940), (970, 1636)]