55540025

素因数分解:

$5^2\times {\mathrm{53}}^1\times {\mathrm{167}}^1\times {\mathrm{251}}^1$

素因数の和:481

約数の個数: 24

約数和(自身を含む): 70870464

約数和(自身を除く): 15330439

約数列:

[1, 5, 25, 53, 167, 251, 265, 835, 1255, 1325, 4175, 6275, 8851, 13303, 41917, 44255, 66515, 209585, 221275, 332575, 1047925, 2221601, 11108005, 55540025]

約数ペア:

[(1, 55540025), (5, 11108005), (25, 2221601), (53, 1047925), (167, 332575), (251, 221275), (265, 209585), (835, 66515), (1255, 44255), (1325, 41917), (4175, 13303), (6275, 8851)]