65212760

素因数分解:

$2^3\times 5^1\times {\mathrm{449}}^1\times {\mathrm{3631}}^1$

素因数の和:4091

約数の個数: 32

約数和(自身を含む): 147096000

約数和(自身を除く): 81883240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 449, 898, 1796, 2245, 3592, 3631, 4490, 7262, 8980, 14524, 17960, 18155, 29048, 36310, 72620, 145240, 1630319, 3260638, 6521276, 8151595, 13042552, 16303190, 32606380, 65212760]

約数ペア:

[(1, 65212760), (2, 32606380), (4, 16303190), (5, 13042552), (8, 8151595), (10, 6521276), (20, 3260638), (40, 1630319), (449, 145240), (898, 72620), (1796, 36310), (2245, 29048), (3592, 18155), (3631, 17960), (4490, 14524), (7262, 8980)]