121680625

素因数分解:

$5^4\times {\mathrm{11}}^2\times {\mathrm{1609}}^1$

素因数の和:1651

約数の個数: 30

約数和(自身を含む): 167235530

約数和(自身を除く): 45554905

約数列:

[1, 5, 11, 25, 55, 121, 125, 275, 605, 625, 1375, 1609, 3025, 6875, 8045, 15125, 17699, 40225, 75625, 88495, 194689, 201125, 442475, 973445, 1005625, 2212375, 4867225, 11061875, 24336125, 121680625]

約数ペア:

[(1, 121680625), (5, 24336125), (11, 11061875), (25, 4867225), (55, 2212375), (121, 1005625), (125, 973445), (275, 442475), (605, 201125), (625, 194689), (1375, 88495), (1609, 75625), (3025, 40225), (6875, 17699), (8045, 15125)]