66793240

素因数分解:

$2^3\times 5^1\times {\mathrm{449}}^1\times {\mathrm{3719}}^1$

素因数の和:4179

約数の個数: 32

約数和(自身を含む): 150660000

約数和(自身を除く): 83866760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 449, 898, 1796, 2245, 3592, 3719, 4490, 7438, 8980, 14876, 17960, 18595, 29752, 37190, 74380, 148760, 1669831, 3339662, 6679324, 8349155, 13358648, 16698310, 33396620, 66793240]

約数ペア:

[(1, 66793240), (2, 33396620), (4, 16698310), (5, 13358648), (8, 8349155), (10, 6679324), (20, 3339662), (40, 1669831), (449, 148760), (898, 74380), (1796, 37190), (2245, 29752), (3592, 18595), (3719, 17960), (4490, 14876), (7438, 8980)]