25815140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{99289}}^1$

素因数の和:99311

約数の個数: 24

約数和(自身を含む): 58382520

約数和(自身を除く): 32567380

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 99289, 198578, 397156, 496445, 992890, 1290757, 1985780, 2581514, 5163028, 6453785, 12907570, 25815140]

約数ペア:

[(1, 25815140), (2, 12907570), (4, 6453785), (5, 5163028), (10, 2581514), (13, 1985780), (20, 1290757), (26, 992890), (52, 496445), (65, 397156), (130, 198578), (260, 99289)]