1298180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4993}}^1$

素因数の和:5015

約数の個数: 24

約数和(自身を含む): 2936472

約数和(自身を除く): 1638292

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 4993, 9986, 19972, 24965, 49930, 64909, 99860, 129818, 259636, 324545, 649090, 1298180]

約数ペア:

[(1, 1298180), (2, 649090), (4, 324545), (5, 259636), (10, 129818), (13, 99860), (20, 64909), (26, 49930), (52, 24965), (65, 19972), (130, 9986), (260, 4993)]