1242868360

素因数分解:

$2^3\times 5^1\times {\mathrm{31071709}}^1$

素因数の和:31071720

約数の個数: 16

約数和(自身を含む): 2796453900

約数和(自身を除く): 1553585540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 31071709, 62143418, 124286836, 155358545, 248573672, 310717090, 621434180, 1242868360]

約数ペア:

[(1, 1242868360), (2, 621434180), (4, 310717090), (5, 248573672), (8, 155358545), (10, 124286836), (20, 62143418), (40, 31071709)]