30181820

素因数分解:

$2^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{7901}}^1$

素因数の和:8101

約数の個数: 24

約数和(自身を含む): 63721728

約数和(自身を除く): 33539908

約数列:

[1, 2, 4, 5, 10, 20, 191, 382, 764, 955, 1910, 3820, 7901, 15802, 31604, 39505, 79010, 158020, 1509091, 3018182, 6036364, 7545455, 15090910, 30181820]

約数ペア:

[(1, 30181820), (2, 15090910), (4, 7545455), (5, 6036364), (10, 3018182), (20, 1509091), (191, 158020), (382, 79010), (764, 39505), (955, 31604), (1910, 15802), (3820, 7901)]