51241990

素因数分解:

$2^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{887}}^1$

素因数の和:1056

約数の個数: 32

約数和(自身を含む): 94944960

約数和(自身を除く): 43702970

約数列:

[1, 2, 5, 10, 53, 106, 109, 218, 265, 530, 545, 887, 1090, 1774, 4435, 5777, 8870, 11554, 28885, 47011, 57770, 94022, 96683, 193366, 235055, 470110, 483415, 966830, 5124199, 10248398, 25620995, 51241990]

約数ペア:

[(1, 51241990), (2, 25620995), (5, 10248398), (10, 5124199), (53, 966830), (106, 483415), (109, 470110), (218, 235055), (265, 193366), (530, 96683), (545, 94022), (887, 57770), (1090, 47011), (1774, 28885), (4435, 11554), (5777, 8870)]