259743160

素因数分解:

$2^3\times 5^1\times {\mathrm{947}}^1\times {\mathrm{6857}}^1$

素因数の和:7815

約数の個数: 32

約数和(自身を含む): 585124560

約数和(自身を除く): 325381400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 947, 1894, 3788, 4735, 6857, 7576, 9470, 13714, 18940, 27428, 34285, 37880, 54856, 68570, 137140, 274280, 6493579, 12987158, 25974316, 32467895, 51948632, 64935790, 129871580, 259743160]

約数ペア:

[(1, 259743160), (2, 129871580), (4, 64935790), (5, 51948632), (8, 32467895), (10, 25974316), (20, 12987158), (40, 6493579), (947, 274280), (1894, 137140), (3788, 68570), (4735, 54856), (6857, 37880), (7576, 34285), (9470, 27428), (13714, 18940)]