12696650

素因数分解:

$2^1\times 5^2\times {\mathrm{197}}^1\times {\mathrm{1289}}^1$

素因数の和:1498

約数の個数: 24

約数和(自身を含む): 23754060

約数和(自身を除く): 11057410

約数列:

[1, 2, 5, 10, 25, 50, 197, 394, 985, 1289, 1970, 2578, 4925, 6445, 9850, 12890, 32225, 64450, 253933, 507866, 1269665, 2539330, 6348325, 12696650]

約数ペア:

[(1, 12696650), (2, 6348325), (5, 2539330), (10, 1269665), (25, 507866), (50, 253933), (197, 64450), (394, 32225), (985, 12890), (1289, 9850), (1970, 6445), (2578, 4925)]