133844320

素因数分解:

$2^5\times 5^1\times {\mathrm{421}}^1\times {\mathrm{1987}}^1$

素因数の和:2423

約数の個数: 48

約数和(自身を含む): 317117808

約数和(自身を除く): 183273488

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 421, 842, 1684, 1987, 2105, 3368, 3974, 4210, 6736, 7948, 8420, 9935, 13472, 15896, 16840, 19870, 31792, 33680, 39740, 63584, 67360, 79480, 158960, 317920, 836527, 1673054, 3346108, 4182635, 6692216, 8365270, 13384432, 16730540, 26768864, 33461080, 66922160, 133844320]

約数ペア:

[(1, 133844320), (2, 66922160), (4, 33461080), (5, 26768864), (8, 16730540), (10, 13384432), (16, 8365270), (20, 6692216), (32, 4182635), (40, 3346108), (80, 1673054), (160, 836527), (421, 317920), (842, 158960), (1684, 79480), (1987, 67360), (2105, 63584), (3368, 39740), (3974, 33680), (4210, 31792), (6736, 19870), (7948, 16840), (8420, 15896), (9935, 13472)]