77446960

素因数分解:

$2^4\times 5^1\times {\mathrm{971}}^1\times {\mathrm{997}}^1$

素因数の和:1981

約数の個数: 40

約数和(自身を含む): 180430416

約数和(自身を除く): 102983456

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 971, 997, 1942, 1994, 3884, 3988, 4855, 4985, 7768, 7976, 9710, 9970, 15536, 15952, 19420, 19940, 38840, 39880, 77680, 79760, 968087, 1936174, 3872348, 4840435, 7744696, 9680870, 15489392, 19361740, 38723480, 77446960]

約数ペア:

[(1, 77446960), (2, 38723480), (4, 19361740), (5, 15489392), (8, 9680870), (10, 7744696), (16, 4840435), (20, 3872348), (40, 1936174), (80, 968087), (971, 79760), (997, 77680), (1942, 39880), (1994, 38840), (3884, 19940), (3988, 19420), (4855, 15952), (4985, 15536), (7768, 9970), (7976, 9710)]