25946840

素因数分解:

$2^3\times 5^1\times {\mathrm{648671}}^1$

素因数の和:648682

約数の個数: 16

約数和(自身を含む): 58380480

約数和(自身を除く): 32433640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 648671, 1297342, 2594684, 3243355, 5189368, 6486710, 12973420, 25946840]

約数ペア:

[(1, 25946840), (2, 12973420), (4, 6486710), (5, 5189368), (8, 3243355), (10, 2594684), (20, 1297342), (40, 648671)]