51778780

素因数分解:

$2^2\times 5^1\times {\mathrm{317}}^1\times {\mathrm{8167}}^1$

素因数の和:8493

約数の個数: 24

約数和(自身を含む): 109091808

約数和(自身を除く): 57313028

約数列:

[1, 2, 4, 5, 10, 20, 317, 634, 1268, 1585, 3170, 6340, 8167, 16334, 32668, 40835, 81670, 163340, 2588939, 5177878, 10355756, 12944695, 25889390, 51778780]

約数ペア:

[(1, 51778780), (2, 25889390), (4, 12944695), (5, 10355756), (10, 5177878), (20, 2588939), (317, 163340), (634, 81670), (1268, 40835), (1585, 32668), (3170, 16334), (6340, 8167)]