8169260

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{523}}^1$

素因数の和:614

約数の個数: 48

約数和(自身を含む): 19014912

約数和(自身を除く): 10845652

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 71, 110, 142, 220, 284, 355, 523, 710, 781, 1046, 1420, 1562, 2092, 2615, 3124, 3905, 5230, 5753, 7810, 10460, 11506, 15620, 23012, 28765, 37133, 57530, 74266, 115060, 148532, 185665, 371330, 408463, 742660, 816926, 1633852, 2042315, 4084630, 8169260]

約数ペア:

[(1, 8169260), (2, 4084630), (4, 2042315), (5, 1633852), (10, 816926), (11, 742660), (20, 408463), (22, 371330), (44, 185665), (55, 148532), (71, 115060), (110, 74266), (142, 57530), (220, 37133), (284, 28765), (355, 23012), (523, 15620), (710, 11506), (781, 10460), (1046, 7810), (1420, 5753), (1562, 5230), (2092, 3905), (2615, 3124)]