25688624

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{123503}}^1$

素因数の和:123524

約数の個数: 20

約数和(自身を含む): 53600736

約数和(自身を除く): 27912112

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 123503, 247006, 494012, 988024, 1605539, 1976048, 3211078, 6422156, 12844312, 25688624]

約数ペア:

[(1, 25688624), (2, 12844312), (4, 6422156), (8, 3211078), (13, 1976048), (16, 1605539), (26, 988024), (52, 494012), (104, 247006), (208, 123503)]