42179980

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{51439}}^1$

素因数の和:51489

約数の個数: 24

約数和(自身を含む): 90740160

約数和(自身を除く): 48560180

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 51439, 102878, 205756, 257195, 514390, 1028780, 2108999, 4217998, 8435996, 10544995, 21089990, 42179980]

約数ペア:

[(1, 42179980), (2, 21089990), (4, 10544995), (5, 8435996), (10, 4217998), (20, 2108999), (41, 1028780), (82, 514390), (164, 257195), (205, 205756), (410, 102878), (820, 51439)]