8026760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{263}}^1$

素因数の和:390

約数の個数: 64

約数和(自身を含む): 20908800

約数和(自身を除く): 12882040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 109, 140, 218, 263, 280, 436, 526, 545, 763, 872, 1052, 1090, 1315, 1526, 1841, 2104, 2180, 2630, 3052, 3682, 3815, 4360, 5260, 6104, 7364, 7630, 9205, 10520, 14728, 15260, 18410, 28667, 30520, 36820, 57334, 73640, 114668, 143335, 200669, 229336, 286670, 401338, 573340, 802676, 1003345, 1146680, 1605352, 2006690, 4013380, 8026760]

約数ペア:

[(1, 8026760), (2, 4013380), (4, 2006690), (5, 1605352), (7, 1146680), (8, 1003345), (10, 802676), (14, 573340), (20, 401338), (28, 286670), (35, 229336), (40, 200669), (56, 143335), (70, 114668), (109, 73640), (140, 57334), (218, 36820), (263, 30520), (280, 28667), (436, 18410), (526, 15260), (545, 14728), (763, 10520), (872, 9205), (1052, 7630), (1090, 7364), (1315, 6104), (1526, 5260), (1841, 4360), (2104, 3815), (2180, 3682), (2630, 3052)]