7928180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{30493}}^1$

素因数の和:30515

約数の個数: 24

約数和(自身を含む): 17930472

約数和(自身を除く): 10002292

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 30493, 60986, 121972, 152465, 304930, 396409, 609860, 792818, 1585636, 1982045, 3964090, 7928180]

約数ペア:

[(1, 7928180), (2, 3964090), (4, 1982045), (5, 1585636), (10, 792818), (13, 609860), (20, 396409), (26, 304930), (52, 152465), (65, 121972), (130, 60986), (260, 30493)]