17715920

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{3119}}^1$

素因数の和:3203

約数の個数: 40

約数和(自身を含む): 41783040

約数和(自身を除く): 24067120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 3119, 5680, 6238, 12476, 15595, 24952, 31190, 49904, 62380, 124760, 221449, 249520, 442898, 885796, 1107245, 1771592, 2214490, 3543184, 4428980, 8857960, 17715920]

約数ペア:

[(1, 17715920), (2, 8857960), (4, 4428980), (5, 3543184), (8, 2214490), (10, 1771592), (16, 1107245), (20, 885796), (40, 442898), (71, 249520), (80, 221449), (142, 124760), (284, 62380), (355, 49904), (568, 31190), (710, 24952), (1136, 15595), (1420, 12476), (2840, 6238), (3119, 5680)]