77666875

素因数分解:

$5^4\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1$

素因数の和:134

約数の個数: 60

約数和(自身を含む): 116337760

約数和(自身を除く): 38670885

約数列:

[1, 5, 11, 13, 25, 55, 65, 79, 121, 125, 143, 275, 325, 395, 605, 625, 715, 869, 1027, 1375, 1573, 1625, 1975, 3025, 3575, 4345, 5135, 6875, 7865, 8125, 9559, 9875, 11297, 15125, 17875, 21725, 25675, 39325, 47795, 49375, 56485, 75625, 89375, 108625, 124267, 128375, 196625, 238975, 282425, 543125, 621335, 641875, 983125, 1194875, 1412125, 3106675, 5974375, 7060625, 15533375, 77666875]

約数ペア:

[(1, 77666875), (5, 15533375), (11, 7060625), (13, 5974375), (25, 3106675), (55, 1412125), (65, 1194875), (79, 983125), (121, 641875), (125, 621335), (143, 543125), (275, 282425), (325, 238975), (395, 196625), (605, 128375), (625, 124267), (715, 108625), (869, 89375), (1027, 75625), (1375, 56485), (1573, 49375), (1625, 47795), (1975, 39325), (3025, 25675), (3575, 21725), (4345, 17875), (5135, 15125), (6875, 11297), (7865, 9875), (8125, 9559)]