89650280

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{31567}}^1$

素因数の和:31649

約数の個数: 32

約数和(自身を含む): 204560640

約数和(自身を除く): 114910360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 31567, 63134, 126268, 157835, 252536, 315670, 631340, 1262680, 2241257, 4482514, 8965028, 11206285, 17930056, 22412570, 44825140, 89650280]

約数ペア:

[(1, 89650280), (2, 44825140), (4, 22412570), (5, 17930056), (8, 11206285), (10, 8965028), (20, 4482514), (40, 2241257), (71, 1262680), (142, 631340), (284, 315670), (355, 252536), (568, 157835), (710, 126268), (1420, 63134), (2840, 31567)]