42227980

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{21767}}^1$

素因数の和:21873

約数の個数: 24

約数和(自身を含む): 89597088

約数和(自身を除く): 47369108

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 21767, 43534, 87068, 108835, 217670, 435340, 2111399, 4222798, 8445596, 10556995, 21113990, 42227980]

約数ペア:

[(1, 42227980), (2, 21113990), (4, 10556995), (5, 8445596), (10, 4222798), (20, 2111399), (97, 435340), (194, 217670), (388, 108835), (485, 87068), (970, 43534), (1940, 21767)]