11285780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1193}}^1$

素因数の和:1256

約数の個数: 48

約数和(自身を含む): 26478144

約数和(自身を除く): 15192364

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 55, 86, 110, 172, 215, 220, 430, 473, 860, 946, 1193, 1892, 2365, 2386, 4730, 4772, 5965, 9460, 11930, 13123, 23860, 26246, 51299, 52492, 65615, 102598, 131230, 205196, 256495, 262460, 512990, 564289, 1025980, 1128578, 2257156, 2821445, 5642890, 11285780]

約数ペア:

[(1, 11285780), (2, 5642890), (4, 2821445), (5, 2257156), (10, 1128578), (11, 1025980), (20, 564289), (22, 512990), (43, 262460), (44, 256495), (55, 205196), (86, 131230), (110, 102598), (172, 65615), (215, 52492), (220, 51299), (430, 26246), (473, 23860), (860, 13123), (946, 11930), (1193, 9460), (1892, 5965), (2365, 4772), (2386, 4730)]