202119920

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{31981}}^1$

素因数の和:32073

約数の個数: 40

約数和(自身を含む): 475892160

約数和(自身を除く): 273772240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1264, 1580, 3160, 6320, 31981, 63962, 127924, 159905, 255848, 319810, 511696, 639620, 1279240, 2526499, 2558480, 5052998, 10105996, 12632495, 20211992, 25264990, 40423984, 50529980, 101059960, 202119920]

約数ペア:

[(1, 202119920), (2, 101059960), (4, 50529980), (5, 40423984), (8, 25264990), (10, 20211992), (16, 12632495), (20, 10105996), (40, 5052998), (79, 2558480), (80, 2526499), (158, 1279240), (316, 639620), (395, 511696), (632, 319810), (790, 255848), (1264, 159905), (1580, 127924), (3160, 63962), (6320, 31981)]