49979120

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{251}}^1$

素因数の和:414

約数の個数: 80

約数和(自身を含む): 123742080

約数和(自身を除く): 73762960

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 131, 152, 190, 251, 262, 304, 380, 502, 524, 655, 760, 1004, 1048, 1255, 1310, 1520, 2008, 2096, 2489, 2510, 2620, 4016, 4769, 4978, 5020, 5240, 9538, 9956, 10040, 10480, 12445, 19076, 19912, 20080, 23845, 24890, 32881, 38152, 39824, 47690, 49780, 65762, 76304, 95380, 99560, 131524, 164405, 190760, 199120, 263048, 328810, 381520, 526096, 624739, 657620, 1249478, 1315240, 2498956, 2630480, 3123695, 4997912, 6247390, 9995824, 12494780, 24989560, 49979120]

約数ペア:

[(1, 49979120), (2, 24989560), (4, 12494780), (5, 9995824), (8, 6247390), (10, 4997912), (16, 3123695), (19, 2630480), (20, 2498956), (38, 1315240), (40, 1249478), (76, 657620), (80, 624739), (95, 526096), (131, 381520), (152, 328810), (190, 263048), (251, 199120), (262, 190760), (304, 164405), (380, 131524), (502, 99560), (524, 95380), (655, 76304), (760, 65762), (1004, 49780), (1048, 47690), (1255, 39824), (1310, 38152), (1520, 32881), (2008, 24890), (2096, 23845), (2489, 20080), (2510, 19912), (2620, 19076), (4016, 12445), (4769, 10480), (4978, 10040), (5020, 9956), (5240, 9538)]