6490900

素因数分解:

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

素因数の和:5020

約数の個数: 36

約数和(自身を含む): 15171772

約数和(自身を除く): 8680872

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 4993, 9986, 19972, 24965, 49930, 64909, 99860, 124825, 129818, 249650, 259636, 324545, 499300, 649090, 1298180, 1622725, 3245450, 6490900]

約数ペア:

[(1, 6490900), (2, 3245450), (4, 1622725), (5, 1298180), (10, 649090), (13, 499300), (20, 324545), (25, 259636), (26, 249650), (50, 129818), (52, 124825), (65, 99860), (100, 64909), (130, 49930), (260, 24965), (325, 19972), (650, 9986), (1300, 4993)]