8683960

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{3559}}^1$

素因数の和:3631

約数の個数: 32

約数和(自身を含む): 19864800

約数和(自身を除く): 11180840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 3559, 7118, 14236, 17795, 28472, 35590, 71180, 142360, 217099, 434198, 868396, 1085495, 1736792, 2170990, 4341980, 8683960]

約数ペア:

[(1, 8683960), (2, 4341980), (4, 2170990), (5, 1736792), (8, 1085495), (10, 868396), (20, 434198), (40, 217099), (61, 142360), (122, 71180), (244, 35590), (305, 28472), (488, 17795), (610, 14236), (1220, 7118), (2440, 3559)]