28604620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{130021}}^1$

素因数の和:130041

約数の個数: 24

約数和(自身を含む): 65531088

約数和(自身を除く): 36926468

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 130021, 260042, 520084, 650105, 1300210, 1430231, 2600420, 2860462, 5720924, 7151155, 14302310, 28604620]

約数ペア:

[(1, 28604620), (2, 14302310), (4, 7151155), (5, 5720924), (10, 2860462), (11, 2600420), (20, 1430231), (22, 1300210), (44, 650105), (55, 520084), (110, 260042), (220, 130021)]