42563980

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^2\times {\mathrm{1151}}^1$

素因数の和:1246

約数の個数: 36

約数和(自身を含む): 91590912

約数和(自身を除く): 49026932

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 1151, 1849, 2302, 3698, 4604, 5755, 7396, 9245, 11510, 18490, 23020, 36980, 49493, 98986, 197972, 247465, 494930, 989860, 2128199, 4256398, 8512796, 10640995, 21281990, 42563980]

約数ペア:

[(1, 42563980), (2, 21281990), (4, 10640995), (5, 8512796), (10, 4256398), (20, 2128199), (43, 989860), (86, 494930), (172, 247465), (215, 197972), (430, 98986), (860, 49493), (1151, 36980), (1849, 23020), (2302, 18490), (3698, 11510), (4604, 9245), (5755, 7396)]