1999327360

素因数分解:

$2^7\times 5^1\times {\mathrm{47}}^1\times {\mathrm{66467}}^1$

素因数の和:66533

約数の個数: 64

約数和(自身を含む): 4881409920

約数和(自身を除く): 2882082560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 47, 64, 80, 94, 128, 160, 188, 235, 320, 376, 470, 640, 752, 940, 1504, 1880, 3008, 3760, 6016, 7520, 15040, 30080, 66467, 132934, 265868, 332335, 531736, 664670, 1063472, 1329340, 2126944, 2658680, 3123949, 4253888, 5317360, 6247898, 8507776, 10634720, 12495796, 15619745, 21269440, 24991592, 31239490, 42538880, 49983184, 62478980, 99966368, 124957960, 199932736, 249915920, 399865472, 499831840, 999663680, 1999327360]

約数ペア:

[(1, 1999327360), (2, 999663680), (4, 499831840), (5, 399865472), (8, 249915920), (10, 199932736), (16, 124957960), (20, 99966368), (32, 62478980), (40, 49983184), (47, 42538880), (64, 31239490), (80, 24991592), (94, 21269440), (128, 15619745), (160, 12495796), (188, 10634720), (235, 8507776), (320, 6247898), (376, 5317360), (470, 4253888), (640, 3123949), (752, 2658680), (940, 2126944), (1504, 1329340), (1880, 1063472), (3008, 664670), (3760, 531736), (6016, 332335), (7520, 265868), (15040, 132934), (30080, 66467)]