8273125

素因数分解:

$5^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:119

約数の個数: 40

約数和(自身を含む): 12396032

約数和(自身を除く): 4122907

約数列:

[1, 5, 7, 25, 31, 35, 61, 125, 155, 175, 217, 305, 427, 625, 775, 875, 1085, 1525, 1891, 2135, 3875, 4375, 5425, 7625, 9455, 10675, 13237, 19375, 27125, 38125, 47275, 53375, 66185, 135625, 236375, 266875, 330925, 1181875, 1654625, 8273125]

約数ペア:

[(1, 8273125), (5, 1654625), (7, 1181875), (25, 330925), (31, 266875), (35, 236375), (61, 135625), (125, 66185), (155, 53375), (175, 47275), (217, 38125), (305, 27125), (427, 19375), (625, 13237), (775, 10675), (875, 9455), (1085, 7625), (1525, 5425), (1891, 4375), (2135, 3875)]