881013025

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{26437}}^1$

素因数の和:26521

約数の個数: 24

約数和(自身を含む): 1153965824

約数和(自身を除く): 272952799

約数列:

[1, 5, 25, 31, 43, 155, 215, 775, 1075, 1333, 6665, 26437, 33325, 132185, 660925, 819547, 1136791, 4097735, 5683955, 20488675, 28419775, 35240521, 176202605, 881013025]

約数ペア:

[(1, 881013025), (5, 176202605), (25, 35240521), (31, 28419775), (43, 20488675), (155, 5683955), (215, 4097735), (775, 1136791), (1075, 819547), (1333, 660925), (6665, 132185), (26437, 33325)]