42099980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{161923}}^1$

素因数の和:161945

約数の個数: 24

約数和(自身を含む): 95211312

約数和(自身を除く): 53111332

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 161923, 323846, 647692, 809615, 1619230, 2104999, 3238460, 4209998, 8419996, 10524995, 21049990, 42099980]

約数ペア:

[(1, 42099980), (2, 21049990), (4, 10524995), (5, 8419996), (10, 4209998), (13, 3238460), (20, 2104999), (26, 1619230), (52, 809615), (65, 647692), (130, 323846), (260, 161923)]