25768660

素因数分解:

$2^2\times 5^1\times {\mathrm{521}}^1\times {\mathrm{2473}}^1$

素因数の和:3003

約数の個数: 24

約数和(自身を含む): 54239976

約数和(自身を除く): 28471316

約数列:

[1, 2, 4, 5, 10, 20, 521, 1042, 2084, 2473, 2605, 4946, 5210, 9892, 10420, 12365, 24730, 49460, 1288433, 2576866, 5153732, 6442165, 12884330, 25768660]

約数ペア:

[(1, 25768660), (2, 12884330), (4, 6442165), (5, 5153732), (10, 2576866), (20, 1288433), (521, 49460), (1042, 24730), (2084, 12365), (2473, 10420), (2605, 9892), (4946, 5210)]