20130760

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{38713}}^1$

素因数の和:38737

約数の個数: 32

約数和(自身を含む): 48779640

約数和(自身を除く): 28648880

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 38713, 77426, 154852, 193565, 309704, 387130, 503269, 774260, 1006538, 1548520, 2013076, 2516345, 4026152, 5032690, 10065380, 20130760]

約数ペア:

[(1, 20130760), (2, 10065380), (4, 5032690), (5, 4026152), (8, 2516345), (10, 2013076), (13, 1548520), (20, 1006538), (26, 774260), (40, 503269), (52, 387130), (65, 309704), (104, 193565), (130, 154852), (260, 77426), (520, 38713)]