55353520

素因数分解:

$2^4\times 5^1\times {\mathrm{691919}}^1$

素因数の和:691932

約数の個数: 20

約数和(自身を含む): 128697120

約数和(自身を除く): 73343600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 691919, 1383838, 2767676, 3459595, 5535352, 6919190, 11070704, 13838380, 27676760, 55353520]

約数ペア:

[(1, 55353520), (2, 27676760), (4, 13838380), (5, 11070704), (8, 6919190), (10, 5535352), (16, 3459595), (20, 2767676), (40, 1383838), (80, 691919)]