5609000

素因数分解:

$2^3\times 5^3\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:171

約数の個数: 64

約数和(自身を含む): 13478400

約数和(自身を除く): 7869400

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 71, 79, 100, 125, 142, 158, 200, 250, 284, 316, 355, 395, 500, 568, 632, 710, 790, 1000, 1420, 1580, 1775, 1975, 2840, 3160, 3550, 3950, 5609, 7100, 7900, 8875, 9875, 11218, 14200, 15800, 17750, 19750, 22436, 28045, 35500, 39500, 44872, 56090, 71000, 79000, 112180, 140225, 224360, 280450, 560900, 701125, 1121800, 1402250, 2804500, 5609000]

約数ペア:

[(1, 5609000), (2, 2804500), (4, 1402250), (5, 1121800), (8, 701125), (10, 560900), (20, 280450), (25, 224360), (40, 140225), (50, 112180), (71, 79000), (79, 71000), (100, 56090), (125, 44872), (142, 39500), (158, 35500), (200, 28045), (250, 22436), (284, 19750), (316, 17750), (355, 15800), (395, 14200), (500, 11218), (568, 9875), (632, 8875), (710, 7900), (790, 7100), (1000, 5609), (1420, 3950), (1580, 3550), (1775, 3160), (1975, 2840)]