520019980

素因数分解:

$2^2\times 5^1\times {\mathrm{443}}^1\times {\mathrm{58693}}^1$

素因数の和:59145

約数の個数: 24

約数和(自身を含む): 1094525712

約数和(自身を除く): 574505732

約数列:

[1, 2, 4, 5, 10, 20, 443, 886, 1772, 2215, 4430, 8860, 58693, 117386, 234772, 293465, 586930, 1173860, 26000999, 52001998, 104003996, 130004995, 260009990, 520019980]

約数ペア:

[(1, 520019980), (2, 260009990), (4, 130004995), (5, 104003996), (10, 52001998), (20, 26000999), (443, 1173860), (886, 586930), (1772, 293465), (2215, 234772), (4430, 117386), (8860, 58693)]