22689640

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{3613}}^1$

素因数の和:3781

約数の個数: 32

約数和(自身を含む): 51391080

約数和(自身を除く): 28701440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 628, 785, 1256, 1570, 3140, 3613, 6280, 7226, 14452, 18065, 28904, 36130, 72260, 144520, 567241, 1134482, 2268964, 2836205, 4537928, 5672410, 11344820, 22689640]

約数ペア:

[(1, 22689640), (2, 11344820), (4, 5672410), (5, 4537928), (8, 2836205), (10, 2268964), (20, 1134482), (40, 567241), (157, 144520), (314, 72260), (628, 36130), (785, 28904), (1256, 18065), (1570, 14452), (3140, 7226), (3613, 6280)]