20353770160

素因数分解:

$2^4\times 5^1\times {\mathrm{26417}}^1\times {\mathrm{9631}}^1$

素因数の和:36061

約数の個数: 40

約数和(自身を含む): 47329220736

約数和(自身を除く): 26975450576

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 9631, 19262, 26417, 38524, 48155, 52834, 77048, 96310, 105668, 132085, 154096, 192620, 211336, 264170, 385240, 422672, 528340, 770480, 1056680, 2113360, 254422127, 508844254, 1017688508, 1272110635, 2035377016, 2544221270, 4070754032, 5088442540, 10176885080, 20353770160]

約数ペア:

[(1, 20353770160), (2, 10176885080), (4, 5088442540), (5, 4070754032), (8, 2544221270), (10, 2035377016), (16, 1272110635), (20, 1017688508), (40, 508844254), (80, 254422127), (9631, 2113360), (19262, 1056680), (26417, 770480), (38524, 528340), (48155, 422672), (52834, 385240), (77048, 264170), (96310, 211336), (105668, 192620), (132085, 154096)]