180873520

素因数分解:

$2^4\times 5^1\times {\mathrm{2260919}}^1$

素因数の和:2260932

約数の個数: 20

約数和(自身を含む): 420531120

約数和(自身を除く): 239657600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2260919, 4521838, 9043676, 11304595, 18087352, 22609190, 36174704, 45218380, 90436760, 180873520]

約数ペア:

[(1, 180873520), (2, 90436760), (4, 45218380), (5, 36174704), (8, 22609190), (10, 18087352), (16, 11304595), (20, 9043676), (40, 4521838), (80, 2260919)]