40579990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{12721}}^1$

素因数の和:12768

約数の個数: 32

約数和(自身を含む): 82438560

約数和(自身を除く): 41858570

約数列:

[1, 2, 5, 10, 11, 22, 29, 55, 58, 110, 145, 290, 319, 638, 1595, 3190, 12721, 25442, 63605, 127210, 139931, 279862, 368909, 699655, 737818, 1399310, 1844545, 3689090, 4057999, 8115998, 20289995, 40579990]

約数ペア:

[(1, 40579990), (2, 20289995), (5, 8115998), (10, 4057999), (11, 3689090), (22, 1844545), (29, 1399310), (55, 737818), (58, 699655), (110, 368909), (145, 279862), (290, 139931), (319, 127210), (638, 63605), (1595, 25442), (3190, 12721)]