61702280

素因数分解:

$2^3\times 5^1\times {\mathrm{643}}^1\times {\mathrm{2399}}^1$

素因数の和:3053

約数の個数: 32

約数和(自身を含む): 139104000

約数和(自身を除く): 77401720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 643, 1286, 2399, 2572, 3215, 4798, 5144, 6430, 9596, 11995, 12860, 19192, 23990, 25720, 47980, 95960, 1542557, 3085114, 6170228, 7712785, 12340456, 15425570, 30851140, 61702280]

約数ペア:

[(1, 61702280), (2, 30851140), (4, 15425570), (5, 12340456), (8, 7712785), (10, 6170228), (20, 3085114), (40, 1542557), (643, 95960), (1286, 47980), (2399, 25720), (2572, 23990), (3215, 19192), (4798, 12860), (5144, 11995), (6430, 9596)]