86860000

素因数分解:

$2^5\times 5^4\times {\mathrm{43}}^1\times {\mathrm{101}}^1$

素因数の和:174

約数の個数: 120

約数和(自身を含む): 220823064

約数和(自身を除く): 133963064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 43, 50, 80, 86, 100, 101, 125, 160, 172, 200, 202, 215, 250, 344, 400, 404, 430, 500, 505, 625, 688, 800, 808, 860, 1000, 1010, 1075, 1250, 1376, 1616, 1720, 2000, 2020, 2150, 2500, 2525, 3232, 3440, 4000, 4040, 4300, 4343, 5000, 5050, 5375, 6880, 8080, 8600, 8686, 10000, 10100, 10750, 12625, 16160, 17200, 17372, 20000, 20200, 21500, 21715, 25250, 26875, 34400, 34744, 40400, 43000, 43430, 50500, 53750, 63125, 69488, 80800, 86000, 86860, 101000, 107500, 108575, 126250, 138976, 172000, 173720, 202000, 215000, 217150, 252500, 347440, 404000, 430000, 434300, 505000, 542875, 694880, 860000, 868600, 1010000, 1085750, 1737200, 2020000, 2171500, 2714375, 3474400, 4343000, 5428750, 8686000, 10857500, 17372000, 21715000, 43430000, 86860000]

約数ペア:

[(1, 86860000), (2, 43430000), (4, 21715000), (5, 17372000), (8, 10857500), (10, 8686000), (16, 5428750), (20, 4343000), (25, 3474400), (32, 2714375), (40, 2171500), (43, 2020000), (50, 1737200), (80, 1085750), (86, 1010000), (100, 868600), (101, 860000), (125, 694880), (160, 542875), (172, 505000), (200, 434300), (202, 430000), (215, 404000), (250, 347440), (344, 252500), (400, 217150), (404, 215000), (430, 202000), (500, 173720), (505, 172000), (625, 138976), (688, 126250), (800, 108575), (808, 107500), (860, 101000), (1000, 86860), (1010, 86000), (1075, 80800), (1250, 69488), (1376, 63125), (1616, 53750), (1720, 50500), (2000, 43430), (2020, 43000), (2150, 40400), (2500, 34744), (2525, 34400), (3232, 26875), (3440, 25250), (4000, 21715), (4040, 21500), (4300, 20200), (4343, 20000), (5000, 17372), (5050, 17200), (5375, 16160), (6880, 12625), (8080, 10750), (8600, 10100), (8686, 10000)]