13458620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{383}}^1$

素因数の和:650

約数の個数: 48

約数和(自身を含む): 32514048

約数和(自身を除く): 19055428

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 251, 383, 502, 766, 1004, 1255, 1532, 1757, 1915, 2510, 2681, 3514, 3830, 5020, 5362, 7028, 7660, 8785, 10724, 13405, 17570, 26810, 35140, 53620, 96133, 192266, 384532, 480665, 672931, 961330, 1345862, 1922660, 2691724, 3364655, 6729310, 13458620]

約数ペア:

[(1, 13458620), (2, 6729310), (4, 3364655), (5, 2691724), (7, 1922660), (10, 1345862), (14, 961330), (20, 672931), (28, 480665), (35, 384532), (70, 192266), (140, 96133), (251, 53620), (383, 35140), (502, 26810), (766, 17570), (1004, 13405), (1255, 10724), (1532, 8785), (1757, 7660), (1915, 7028), (2510, 5362), (2681, 5020), (3514, 3830)]