61817480

素因数分解:

$2^3\times 5^1\times {\mathrm{367}}^1\times {\mathrm{4211}}^1$

素因数の和:4589

約数の個数: 32

約数和(自身を含む): 139501440

約数和(自身を除く): 77683960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 367, 734, 1468, 1835, 2936, 3670, 4211, 7340, 8422, 14680, 16844, 21055, 33688, 42110, 84220, 168440, 1545437, 3090874, 6181748, 7727185, 12363496, 15454370, 30908740, 61817480]

約数ペア:

[(1, 61817480), (2, 30908740), (4, 15454370), (5, 12363496), (8, 7727185), (10, 6181748), (20, 3090874), (40, 1545437), (367, 168440), (734, 84220), (1468, 42110), (1835, 33688), (2936, 21055), (3670, 16844), (4211, 14680), (7340, 8422)]