38979100

素因数分解:

$2^2\times 5^2\times {\mathrm{389791}}^1$

素因数の和:389805

約数の個数: 18

約数和(自身を含む): 84584864

約数和(自身を除く): 45605764

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 389791, 779582, 1559164, 1948955, 3897910, 7795820, 9744775, 19489550, 38979100]

約数ペア:

[(1, 38979100), (2, 19489550), (4, 9744775), (5, 7795820), (10, 3897910), (20, 1948955), (25, 1559164), (50, 779582), (100, 389791)]