1964080450

素因数分解:

$2^1\times 5^2\times {\mathrm{389}}^1\times {\mathrm{100981}}^1$

素因数の和:101382

約数の個数: 24

約数和(自身を含む): 3662617140

約数和(自身を除く): 1698536690

約数列:

[1, 2, 5, 10, 25, 50, 389, 778, 1945, 3890, 9725, 19450, 100981, 201962, 504905, 1009810, 2524525, 5049050, 39281609, 78563218, 196408045, 392816090, 982040225, 1964080450]

約数ペア:

[(1, 1964080450), (2, 982040225), (5, 392816090), (10, 196408045), (25, 78563218), (50, 39281609), (389, 5049050), (778, 2524525), (1945, 1009810), (3890, 504905), (9725, 201962), (19450, 100981)]