2506617520

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{997}}^1\times {\mathrm{2857}}^1$

素因数の和:3878

約数の個数: 80

約数和(自身を含む): 6366297888

約数和(自身を除く): 3859680368

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 997, 1994, 2857, 3988, 4985, 5714, 7976, 9970, 10967, 11428, 14285, 15952, 19940, 21934, 22856, 28570, 31427, 39880, 43868, 45712, 54835, 57140, 62854, 79760, 87736, 109670, 114280, 125708, 157135, 175472, 219340, 228560, 251416, 314270, 438680, 502832, 628540, 877360, 1257080, 2514160, 2848429, 5696858, 11393716, 14242145, 22787432, 28484290, 31332719, 45574864, 56968580, 62665438, 113937160, 125330876, 156663595, 227874320, 250661752, 313327190, 501323504, 626654380, 1253308760, 2506617520]

約数ペア:

[(1, 2506617520), (2, 1253308760), (4, 626654380), (5, 501323504), (8, 313327190), (10, 250661752), (11, 227874320), (16, 156663595), (20, 125330876), (22, 113937160), (40, 62665438), (44, 56968580), (55, 45574864), (80, 31332719), (88, 28484290), (110, 22787432), (176, 14242145), (220, 11393716), (440, 5696858), (880, 2848429), (997, 2514160), (1994, 1257080), (2857, 877360), (3988, 628540), (4985, 502832), (5714, 438680), (7976, 314270), (9970, 251416), (10967, 228560), (11428, 219340), (14285, 175472), (15952, 157135), (19940, 125708), (21934, 114280), (22856, 109670), (28570, 87736), (31427, 79760), (39880, 62854), (43868, 57140), (45712, 54835)]