259035880

素因数分解:

$2^3\times 5^1\times {\mathrm{6475897}}^1$

素因数の和:6475908

約数の個数: 16

約数和(自身を含む): 582830820

約数和(自身を除く): 323794940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 6475897, 12951794, 25903588, 32379485, 51807176, 64758970, 129517940, 259035880]

約数ペア:

[(1, 259035880), (2, 129517940), (4, 64758970), (5, 51807176), (8, 32379485), (10, 25903588), (20, 12951794), (40, 6475897)]