2122769375

素因数分解:

$5^4\times {\mathrm{67}}^1\times {\mathrm{163}}^1\times {\mathrm{311}}^1$

素因数の和:561

約数の個数: 40

約数和(自身を含む): 2717430144

約数和(自身を除く): 594660769

約数列:

[1, 5, 25, 67, 125, 163, 311, 335, 625, 815, 1555, 1675, 4075, 7775, 8375, 10921, 20375, 20837, 38875, 41875, 50693, 54605, 101875, 104185, 194375, 253465, 273025, 520925, 1267325, 1365125, 2604625, 3396431, 6336625, 6825625, 13023125, 16982155, 31683125, 84910775, 424553875, 2122769375]

約数ペア:

[(1, 2122769375), (5, 424553875), (25, 84910775), (67, 31683125), (125, 16982155), (163, 13023125), (311, 6825625), (335, 6336625), (625, 3396431), (815, 2604625), (1555, 1365125), (1675, 1267325), (4075, 520925), (7775, 273025), (8375, 253465), (10921, 194375), (20375, 104185), (20837, 101875), (38875, 54605), (41875, 50693)]