8705620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{5653}}^1$

素因数の和:5680

約数の個数: 48

約数和(自身を含む): 22796928

約数和(自身を除く): 14091308

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 5653, 11306, 22612, 28265, 39571, 56530, 62183, 79142, 113060, 124366, 158284, 197855, 248732, 310915, 395710, 435281, 621830, 791420, 870562, 1243660, 1741124, 2176405, 4352810, 8705620]

約数ペア:

[(1, 8705620), (2, 4352810), (4, 2176405), (5, 1741124), (7, 1243660), (10, 870562), (11, 791420), (14, 621830), (20, 435281), (22, 395710), (28, 310915), (35, 248732), (44, 197855), (55, 158284), (70, 124366), (77, 113060), (110, 79142), (140, 62183), (154, 56530), (220, 39571), (308, 28265), (385, 22612), (770, 11306), (1540, 5653)]