28976420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{131711}}^1$

素因数の和:131731

約数の個数: 24

約数和(自身を含む): 66382848

約数和(自身を除く): 37406428

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 131711, 263422, 526844, 658555, 1317110, 1448821, 2634220, 2897642, 5795284, 7244105, 14488210, 28976420]

約数ペア:

[(1, 28976420), (2, 14488210), (4, 7244105), (5, 5795284), (10, 2897642), (11, 2634220), (20, 1448821), (22, 1317110), (44, 658555), (55, 526844), (110, 263422), (220, 131711)]