8040890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{5623}}^1$

素因数の和:5654

約数の個数: 32

約数和(自身を含む): 17006976

約数和(自身を除く): 8966086

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 5623, 11246, 28115, 56230, 61853, 73099, 123706, 146198, 309265, 365495, 618530, 730990, 804089, 1608178, 4020445, 8040890]

約数ペア:

[(1, 8040890), (2, 4020445), (5, 1608178), (10, 804089), (11, 730990), (13, 618530), (22, 365495), (26, 309265), (55, 146198), (65, 123706), (110, 73099), (130, 61853), (143, 56230), (286, 28115), (715, 11246), (1430, 5623)]