42219340

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{51487}}^1$

素因数の和:51537

約数の個数: 24

約数和(自身を含む): 90824832

約数和(自身を除く): 48605492

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 51487, 102974, 205948, 257435, 514870, 1029740, 2110967, 4221934, 8443868, 10554835, 21109670, 42219340]

約数ペア:

[(1, 42219340), (2, 21109670), (4, 10554835), (5, 8443868), (10, 4221934), (20, 2110967), (41, 1029740), (82, 514870), (164, 257435), (205, 205948), (410, 102974), (820, 51487)]