61771960

素因数分解:

$2^3\times 5^1\times {\mathrm{967}}^1\times {\mathrm{1597}}^1$

素因数の和:2575

約数の個数: 32

約数和(自身を含む): 139217760

約数和(自身を除く): 77445800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 967, 1597, 1934, 3194, 3868, 4835, 6388, 7736, 7985, 9670, 12776, 15970, 19340, 31940, 38680, 63880, 1544299, 3088598, 6177196, 7721495, 12354392, 15442990, 30885980, 61771960]

約数ペア:

[(1, 61771960), (2, 30885980), (4, 15442990), (5, 12354392), (8, 7721495), (10, 6177196), (20, 3088598), (40, 1544299), (967, 63880), (1597, 38680), (1934, 31940), (3194, 19340), (3868, 15970), (4835, 12776), (6388, 9670), (7736, 7985)]