8857960

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{3119}}^1$

素因数の和:3201

約数の個数: 32

約数和(自身を含む): 20217600

約数和(自身を除く): 11359640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 3119, 6238, 12476, 15595, 24952, 31190, 62380, 124760, 221449, 442898, 885796, 1107245, 1771592, 2214490, 4428980, 8857960]

約数ペア:

[(1, 8857960), (2, 4428980), (4, 2214490), (5, 1771592), (8, 1107245), (10, 885796), (20, 442898), (40, 221449), (71, 124760), (142, 62380), (284, 31190), (355, 24952), (568, 15595), (710, 12476), (1420, 6238), (2840, 3119)]