17678180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67993}}^1$

素因数の和:68015

約数の個数: 24

約数和(自身を含む): 39980472

約数和(自身を除く): 22302292

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 67993, 135986, 271972, 339965, 679930, 883909, 1359860, 1767818, 3535636, 4419545, 8839090, 17678180]

約数ペア:

[(1, 17678180), (2, 8839090), (4, 4419545), (5, 3535636), (10, 1767818), (13, 1359860), (20, 883909), (26, 679930), (52, 339965), (65, 271972), (130, 135986), (260, 67993)]