71605880

素因数分解:

$2^3\times 5^1\times {\mathrm{631}}^1\times {\mathrm{2837}}^1$

素因数の和:3479

約数の個数: 32

約数和(自身を含む): 161425440

約数和(自身を除く): 89819560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 631, 1262, 2524, 2837, 3155, 5048, 5674, 6310, 11348, 12620, 14185, 22696, 25240, 28370, 56740, 113480, 1790147, 3580294, 7160588, 8950735, 14321176, 17901470, 35802940, 71605880]

約数ペア:

[(1, 71605880), (2, 35802940), (4, 17901470), (5, 14321176), (8, 8950735), (10, 7160588), (20, 3580294), (40, 1790147), (631, 113480), (1262, 56740), (2524, 28370), (2837, 25240), (3155, 22696), (5048, 14185), (5674, 12620), (6310, 11348)]