422137720

素因数分解:

$2^3\times 5^1\times {\mathrm{503}}^1\times {\mathrm{20981}}^1$

素因数の和:21495

約数の個数: 32

約数和(自身を含む): 951743520

約数和(自身を除く): 529605800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 503, 1006, 2012, 2515, 4024, 5030, 10060, 20120, 20981, 41962, 83924, 104905, 167848, 209810, 419620, 839240, 10553443, 21106886, 42213772, 52767215, 84427544, 105534430, 211068860, 422137720]

約数ペア:

[(1, 422137720), (2, 211068860), (4, 105534430), (5, 84427544), (8, 52767215), (10, 42213772), (20, 21106886), (40, 10553443), (503, 839240), (1006, 419620), (2012, 209810), (2515, 167848), (4024, 104905), (5030, 83924), (10060, 41962), (20120, 20981)]