118900520

素因数分解:

$2^3\times 5^1\times {\mathrm{1487}}^1\times {\mathrm{1999}}^1$

素因数の和:3497

約数の個数: 32

約数和(自身を含む): 267840000

約数和(自身を除く): 148939480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1487, 1999, 2974, 3998, 5948, 7435, 7996, 9995, 11896, 14870, 15992, 19990, 29740, 39980, 59480, 79960, 2972513, 5945026, 11890052, 14862565, 23780104, 29725130, 59450260, 118900520]

約数ペア:

[(1, 118900520), (2, 59450260), (4, 29725130), (5, 23780104), (8, 14862565), (10, 11890052), (20, 5945026), (40, 2972513), (1487, 79960), (1999, 59480), (2974, 39980), (3998, 29740), (5948, 19990), (7435, 15992), (7996, 14870), (9995, 11896)]