2590349780

素因数分解:

$2^2\times 5^1\times {\mathrm{461}}^1\times {\mathrm{280949}}^1$

素因数の和:281419

約数の個数: 24

約数和(自身を含む): 5451553800

約数和(自身を除く): 2861204020

約数列:

[1, 2, 4, 5, 10, 20, 461, 922, 1844, 2305, 4610, 9220, 280949, 561898, 1123796, 1404745, 2809490, 5618980, 129517489, 259034978, 518069956, 647587445, 1295174890, 2590349780]

約数ペア:

[(1, 2590349780), (2, 1295174890), (4, 647587445), (5, 518069956), (10, 259034978), (20, 129517489), (461, 5618980), (922, 2809490), (1844, 1404745), (2305, 1123796), (4610, 561898), (9220, 280949)]