201320256920

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2543}}^1\times {\mathrm{46027}}^1$

素因数の和:48624

約数の個数: 64

約数和(自身を含む): 463697118720

約数和(自身を除く): 262376861800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 2543, 5086, 10172, 12715, 20344, 25430, 46027, 50860, 92054, 101720, 109349, 184108, 218698, 230135, 368216, 437396, 460270, 546745, 874792, 920540, 1093490, 1841080, 1979161, 2186980, 3958322, 4373960, 7916644, 9895805, 15833288, 19791610, 39583220, 79166440, 117046661, 234093322, 468186644, 585233305, 936373288, 1170466610, 2340933220, 4681866440, 5033006423, 10066012846, 20132025692, 25165032115, 40264051384, 50330064230, 100660128460, 201320256920]

約数ペア:

[(1, 201320256920), (2, 100660128460), (4, 50330064230), (5, 40264051384), (8, 25165032115), (10, 20132025692), (20, 10066012846), (40, 5033006423), (43, 4681866440), (86, 2340933220), (172, 1170466610), (215, 936373288), (344, 585233305), (430, 468186644), (860, 234093322), (1720, 117046661), (2543, 79166440), (5086, 39583220), (10172, 19791610), (12715, 15833288), (20344, 9895805), (25430, 7916644), (46027, 4373960), (50860, 3958322), (92054, 2186980), (101720, 1979161), (109349, 1841080), (184108, 1093490), (218698, 920540), (230135, 874792), (368216, 546745), (437396, 460270)]