39893240

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{7853}}^1$

素因数の和:7991

約数の個数: 32

約数和(自身を含む): 90478080

約数和(自身を除く): 50584840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 508, 635, 1016, 1270, 2540, 5080, 7853, 15706, 31412, 39265, 62824, 78530, 157060, 314120, 997331, 1994662, 3989324, 4986655, 7978648, 9973310, 19946620, 39893240]

約数ペア:

[(1, 39893240), (2, 19946620), (4, 9973310), (5, 7978648), (8, 4986655), (10, 3989324), (20, 1994662), (40, 997331), (127, 314120), (254, 157060), (508, 78530), (635, 62824), (1016, 39265), (1270, 31412), (2540, 15706), (5080, 7853)]