2017820920

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{167}}^1\times {\mathrm{6427}}^1$

素因数の和:6652

約数の個数: 64

約数和(自身を含む): 4665185280

約数和(自身を除く): 2647364360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 167, 188, 235, 334, 376, 470, 668, 835, 940, 1336, 1670, 1880, 3340, 6427, 6680, 7849, 12854, 15698, 25708, 31396, 32135, 39245, 51416, 62792, 64270, 78490, 128540, 156980, 257080, 302069, 313960, 604138, 1073309, 1208276, 1510345, 2146618, 2416552, 3020690, 4293236, 5366545, 6041380, 8586472, 10733090, 12082760, 21466180, 42932360, 50445523, 100891046, 201782092, 252227615, 403564184, 504455230, 1008910460, 2017820920]

約数ペア:

[(1, 2017820920), (2, 1008910460), (4, 504455230), (5, 403564184), (8, 252227615), (10, 201782092), (20, 100891046), (40, 50445523), (47, 42932360), (94, 21466180), (167, 12082760), (188, 10733090), (235, 8586472), (334, 6041380), (376, 5366545), (470, 4293236), (668, 3020690), (835, 2416552), (940, 2146618), (1336, 1510345), (1670, 1208276), (1880, 1073309), (3340, 604138), (6427, 313960), (6680, 302069), (7849, 257080), (12854, 156980), (15698, 128540), (25708, 78490), (31396, 64270), (32135, 62792), (39245, 51416)]