84786220

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{79987}}^1$

素因数の和:80049

約数の個数: 24

約数和(自身を含む): 181412784

約数和(自身を除く): 96626564

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 1060, 79987, 159974, 319948, 399935, 799870, 1599740, 4239311, 8478622, 16957244, 21196555, 42393110, 84786220]

約数ペア:

[(1, 84786220), (2, 42393110), (4, 21196555), (5, 16957244), (10, 8478622), (20, 4239311), (53, 1599740), (106, 799870), (212, 399935), (265, 319948), (530, 159974), (1060, 79987)]