38665040

素因数分解:

$2^4\times 5^1\times {\mathrm{443}}^1\times {\mathrm{1091}}^1$

素因数の和:1547

約数の個数: 40

約数和(自身を含む): 90181728

約数和(自身を除く): 51516688

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 443, 886, 1091, 1772, 2182, 2215, 3544, 4364, 4430, 5455, 7088, 8728, 8860, 10910, 17456, 17720, 21820, 35440, 43640, 87280, 483313, 966626, 1933252, 2416565, 3866504, 4833130, 7733008, 9666260, 19332520, 38665040]

約数ペア:

[(1, 38665040), (2, 19332520), (4, 9666260), (5, 7733008), (8, 4833130), (10, 3866504), (16, 2416565), (20, 1933252), (40, 966626), (80, 483313), (443, 87280), (886, 43640), (1091, 35440), (1772, 21820), (2182, 17720), (2215, 17456), (3544, 10910), (4364, 8860), (4430, 8728), (5455, 7088)]