3849640

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{613}}^1$

素因数の和:781

約数の個数: 32

約数和(自身を含む): 8731080

約数和(自身を除く): 4881440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 613, 628, 785, 1226, 1256, 1570, 2452, 3065, 3140, 4904, 6130, 6280, 12260, 24520, 96241, 192482, 384964, 481205, 769928, 962410, 1924820, 3849640]

約数ペア:

[(1, 3849640), (2, 1924820), (4, 962410), (5, 769928), (8, 481205), (10, 384964), (20, 192482), (40, 96241), (157, 24520), (314, 12260), (613, 6280), (628, 6130), (785, 4904), (1226, 3140), (1256, 3065), (1570, 2452)]