100403120

素因数分解:

$2^4\times 5^1\times {\mathrm{1255039}}^1$

素因数の和:1255052

約数の個数: 20

約数和(自身を含む): 233437440

約数和(自身を除く): 133034320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1255039, 2510078, 5020156, 6275195, 10040312, 12550390, 20080624, 25100780, 50201560, 100403120]

約数ペア:

[(1, 100403120), (2, 50201560), (4, 25100780), (5, 20080624), (8, 12550390), (10, 10040312), (16, 6275195), (20, 5020156), (40, 2510078), (80, 1255039)]