16195000

素因数分解:

$2^3\times 5^4\times {\mathrm{41}}^1\times {\mathrm{79}}^1$

素因数の和:146

約数の個数: 80

約数和(自身を含む): 39362400

約数和(自身を除く): 23167400

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 41, 50, 79, 82, 100, 125, 158, 164, 200, 205, 250, 316, 328, 395, 410, 500, 625, 632, 790, 820, 1000, 1025, 1250, 1580, 1640, 1975, 2050, 2500, 3160, 3239, 3950, 4100, 5000, 5125, 6478, 7900, 8200, 9875, 10250, 12956, 15800, 16195, 19750, 20500, 25625, 25912, 32390, 39500, 41000, 49375, 51250, 64780, 79000, 80975, 98750, 102500, 129560, 161950, 197500, 205000, 323900, 395000, 404875, 647800, 809750, 1619500, 2024375, 3239000, 4048750, 8097500, 16195000]

約数ペア:

[(1, 16195000), (2, 8097500), (4, 4048750), (5, 3239000), (8, 2024375), (10, 1619500), (20, 809750), (25, 647800), (40, 404875), (41, 395000), (50, 323900), (79, 205000), (82, 197500), (100, 161950), (125, 129560), (158, 102500), (164, 98750), (200, 80975), (205, 79000), (250, 64780), (316, 51250), (328, 49375), (395, 41000), (410, 39500), (500, 32390), (625, 25912), (632, 25625), (790, 20500), (820, 19750), (1000, 16195), (1025, 15800), (1250, 12956), (1580, 10250), (1640, 9875), (1975, 8200), (2050, 7900), (2500, 6478), (3160, 5125), (3239, 5000), (3950, 4100)]