8708920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19793}}^1$

素因数の和:19815

約数の個数: 32

約数和(自身を含む): 21377520

約数和(自身を除く): 12668600

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 19793, 39586, 79172, 98965, 158344, 197930, 217723, 395860, 435446, 791720, 870892, 1088615, 1741784, 2177230, 4354460, 8708920]

約数ペア:

[(1, 8708920), (2, 4354460), (4, 2177230), (5, 1741784), (8, 1088615), (10, 870892), (11, 791720), (20, 435446), (22, 395860), (40, 217723), (44, 197930), (55, 158344), (88, 98965), (110, 79172), (220, 39586), (440, 19793)]