38891960

素因数分解:

$2^3\times 5^1\times {\mathrm{503}}^1\times {\mathrm{1933}}^1$

素因数の和:2447

約数の個数: 32

約数和(自身を含む): 87726240

約数和(自身を除く): 48834280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 503, 1006, 1933, 2012, 2515, 3866, 4024, 5030, 7732, 9665, 10060, 15464, 19330, 20120, 38660, 77320, 972299, 1944598, 3889196, 4861495, 7778392, 9722990, 19445980, 38891960]

約数ペア:

[(1, 38891960), (2, 19445980), (4, 9722990), (5, 7778392), (8, 4861495), (10, 3889196), (20, 1944598), (40, 972299), (503, 77320), (1006, 38660), (1933, 20120), (2012, 19330), (2515, 15464), (3866, 10060), (4024, 9665), (5030, 7732)]