9800780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{44549}}^1$

素因数の和:44569

約数の個数: 24

約数和(自身を含む): 22453200

約数和(自身を除く): 12652420

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 44549, 89098, 178196, 222745, 445490, 490039, 890980, 980078, 1960156, 2450195, 4900390, 9800780]

約数ペア:

[(1, 9800780), (2, 4900390), (4, 2450195), (5, 1960156), (10, 980078), (11, 890980), (20, 490039), (22, 445490), (44, 222745), (55, 178196), (110, 89098), (220, 44549)]