66987400

素因数分解:

$2^3\times 5^2\times {\mathrm{307}}^1\times {\mathrm{1091}}^1$

素因数の和:1414

約数の個数: 48

約数和(自身を含む): 156396240

約数和(自身を除く): 89408840

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 307, 614, 1091, 1228, 1535, 2182, 2456, 3070, 4364, 5455, 6140, 7675, 8728, 10910, 12280, 15350, 21820, 27275, 30700, 43640, 54550, 61400, 109100, 218200, 334937, 669874, 1339748, 1674685, 2679496, 3349370, 6698740, 8373425, 13397480, 16746850, 33493700, 66987400]

約数ペア:

[(1, 66987400), (2, 33493700), (4, 16746850), (5, 13397480), (8, 8373425), (10, 6698740), (20, 3349370), (25, 2679496), (40, 1674685), (50, 1339748), (100, 669874), (200, 334937), (307, 218200), (614, 109100), (1091, 61400), (1228, 54550), (1535, 43640), (2182, 30700), (2456, 27275), (3070, 21820), (4364, 15350), (5455, 12280), (6140, 10910), (7675, 8728)]