25648660

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{15451}}^1$

素因数の和:15543

約数の個数: 24

約数和(自身を含む): 54514656

約数和(自身を除く): 28865996

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 15451, 30902, 61804, 77255, 154510, 309020, 1282433, 2564866, 5129732, 6412165, 12824330, 25648660]

約数ペア:

[(1, 25648660), (2, 12824330), (4, 6412165), (5, 5129732), (10, 2564866), (20, 1282433), (83, 309020), (166, 154510), (332, 77255), (415, 61804), (830, 30902), (1660, 15451)]