89389880

素因数分解:

$2^3\times 5^1\times {\mathrm{193}}^1\times {\mathrm{11579}}^1$

素因数の和:11783

約数の個数: 32

約数和(自身を含む): 202186800

約数和(自身を除く): 112796920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 193, 386, 772, 965, 1544, 1930, 3860, 7720, 11579, 23158, 46316, 57895, 92632, 115790, 231580, 463160, 2234747, 4469494, 8938988, 11173735, 17877976, 22347470, 44694940, 89389880]

約数ペア:

[(1, 89389880), (2, 44694940), (4, 22347470), (5, 17877976), (8, 11173735), (10, 8938988), (20, 4469494), (40, 2234747), (193, 463160), (386, 231580), (772, 115790), (965, 92632), (1544, 57895), (1930, 46316), (3860, 23158), (7720, 11579)]