66520025

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{809}}^1$

素因数の和:866

約数の個数: 48

約数和(自身を含む): 101243520

約数和(自身を除く): 34723495

約数列:

[1, 5, 11, 13, 23, 25, 55, 65, 115, 143, 253, 275, 299, 325, 575, 715, 809, 1265, 1495, 3289, 3575, 4045, 6325, 7475, 8899, 10517, 16445, 18607, 20225, 44495, 52585, 82225, 93035, 115687, 204677, 222475, 241891, 262925, 465175, 578435, 1023385, 1209455, 2660801, 2892175, 5116925, 6047275, 13304005, 66520025]

約数ペア:

[(1, 66520025), (5, 13304005), (11, 6047275), (13, 5116925), (23, 2892175), (25, 2660801), (55, 1209455), (65, 1023385), (115, 578435), (143, 465175), (253, 262925), (275, 241891), (299, 222475), (325, 204677), (575, 115687), (715, 93035), (809, 82225), (1265, 52585), (1495, 44495), (3289, 20225), (3575, 18607), (4045, 16445), (6325, 10517), (7475, 8899)]