20191143160

素因数分解:

$2^3\times 5^1\times {\mathrm{421}}^1\times {\mathrm{1198999}}^1$

素因数の和:1199431

約数の個数: 32

約数和(自身を含む): 45538020000

約数和(自身を除く): 25346876840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 421, 842, 1684, 2105, 3368, 4210, 8420, 16840, 1198999, 2397998, 4795996, 5994995, 9591992, 11989990, 23979980, 47959960, 504778579, 1009557158, 2019114316, 2523892895, 4038228632, 5047785790, 10095571580, 20191143160]

約数ペア:

[(1, 20191143160), (2, 10095571580), (4, 5047785790), (5, 4038228632), (8, 2523892895), (10, 2019114316), (20, 1009557158), (40, 504778579), (421, 47959960), (842, 23979980), (1684, 11989990), (2105, 9591992), (3368, 5994995), (4210, 4795996), (8420, 2397998), (16840, 1198999)]