40067020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{2089}}^1$

素因数の和:2242

約数の個数: 48

約数和(自身を含む): 96909120

約数和(自身を除く): 56842100

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 137, 140, 274, 548, 685, 959, 1370, 1918, 2089, 2740, 3836, 4178, 4795, 8356, 9590, 10445, 14623, 19180, 20890, 29246, 41780, 58492, 73115, 146230, 286193, 292460, 572386, 1144772, 1430965, 2003351, 2861930, 4006702, 5723860, 8013404, 10016755, 20033510, 40067020]

約数ペア:

[(1, 40067020), (2, 20033510), (4, 10016755), (5, 8013404), (7, 5723860), (10, 4006702), (14, 2861930), (20, 2003351), (28, 1430965), (35, 1144772), (70, 572386), (137, 292460), (140, 286193), (274, 146230), (548, 73115), (685, 58492), (959, 41780), (1370, 29246), (1918, 20890), (2089, 19180), (2740, 14623), (3836, 10445), (4178, 9590), (4795, 8356)]