39613880

素因数分解:

$2^3\times 5^1\times {\mathrm{491}}^1\times {\mathrm{2017}}^1$

素因数の和:2519

約数の個数: 32

約数和(自身を含む): 89357040

約数和(自身を除く): 49743160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 491, 982, 1964, 2017, 2455, 3928, 4034, 4910, 8068, 9820, 10085, 16136, 19640, 20170, 40340, 80680, 990347, 1980694, 3961388, 4951735, 7922776, 9903470, 19806940, 39613880]

約数ペア:

[(1, 39613880), (2, 19806940), (4, 9903470), (5, 7922776), (8, 4951735), (10, 3961388), (20, 1980694), (40, 990347), (491, 80680), (982, 40340), (1964, 20170), (2017, 19640), (2455, 16136), (3928, 10085), (4034, 9820), (4910, 8068)]