842737520

素因数分解:

$2^4\times 5^1\times {\mathrm{251}}^1\times {\mathrm{41969}}^1$

素因数の和:42233

約数の個数: 40

約数和(自身を含む): 1967217840

約数和(自身を除く): 1124480320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 251, 502, 1004, 1255, 2008, 2510, 4016, 5020, 10040, 20080, 41969, 83938, 167876, 209845, 335752, 419690, 671504, 839380, 1678760, 3357520, 10534219, 21068438, 42136876, 52671095, 84273752, 105342190, 168547504, 210684380, 421368760, 842737520]

約数ペア:

[(1, 842737520), (2, 421368760), (4, 210684380), (5, 168547504), (8, 105342190), (10, 84273752), (16, 52671095), (20, 42136876), (40, 21068438), (80, 10534219), (251, 3357520), (502, 1678760), (1004, 839380), (1255, 671504), (2008, 419690), (2510, 335752), (4016, 209845), (5020, 167876), (10040, 83938), (20080, 41969)]