4028180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{15493}}^1$

素因数の和:15515

約数の個数: 24

約数和(自身を含む): 9110472

約数和(自身を除く): 5082292

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 15493, 30986, 61972, 77465, 154930, 201409, 309860, 402818, 805636, 1007045, 2014090, 4028180]

約数ペア:

[(1, 4028180), (2, 2014090), (4, 1007045), (5, 805636), (10, 402818), (13, 309860), (20, 201409), (26, 154930), (52, 77465), (65, 61972), (130, 30986), (260, 15493)]