70721680

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{12451}}^1$

素因数の和:12535

約数の個数: 40

約数和(自身を含む): 166757184

約数和(自身を除く): 96035504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 5680, 12451, 24902, 49804, 62255, 99608, 124510, 199216, 249020, 498040, 884021, 996080, 1768042, 3536084, 4420105, 7072168, 8840210, 14144336, 17680420, 35360840, 70721680]

約数ペア:

[(1, 70721680), (2, 35360840), (4, 17680420), (5, 14144336), (8, 8840210), (10, 7072168), (16, 4420105), (20, 3536084), (40, 1768042), (71, 996080), (80, 884021), (142, 498040), (284, 249020), (355, 199216), (568, 124510), (710, 99608), (1136, 62255), (1420, 49804), (2840, 24902), (5680, 12451)]