61221520

素因数分解:

$2^4\times 5^1\times {\mathrm{751}}^1\times {\mathrm{1019}}^1$

素因数の和:1783

約数の個数: 40

約数和(自身を含む): 142669440

約数和(自身を除く): 81447920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 751, 1019, 1502, 2038, 3004, 3755, 4076, 5095, 6008, 7510, 8152, 10190, 12016, 15020, 16304, 20380, 30040, 40760, 60080, 81520, 765269, 1530538, 3061076, 3826345, 6122152, 7652690, 12244304, 15305380, 30610760, 61221520]

約数ペア:

[(1, 61221520), (2, 30610760), (4, 15305380), (5, 12244304), (8, 7652690), (10, 6122152), (16, 3826345), (20, 3061076), (40, 1530538), (80, 765269), (751, 81520), (1019, 60080), (1502, 40760), (2038, 30040), (3004, 20380), (3755, 16304), (4076, 15020), (5095, 12016), (6008, 10190), (7510, 8152)]