20180743160

素因数分解:

$2^3\times 5^1\times {\mathrm{29017}}^1\times {\mathrm{17387}}^1$

素因数の和:46415

約数の個数: 32

約数和(自身を含む): 45410848560

約数和(自身を除く): 25230105400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 17387, 29017, 34774, 58034, 69548, 86935, 116068, 139096, 145085, 173870, 232136, 290170, 347740, 580340, 695480, 1160680, 504518579, 1009037158, 2018074316, 2522592895, 4036148632, 5045185790, 10090371580, 20180743160]

約数ペア:

[(1, 20180743160), (2, 10090371580), (4, 5045185790), (5, 4036148632), (8, 2522592895), (10, 2018074316), (20, 1009037158), (40, 504518579), (17387, 1160680), (29017, 695480), (34774, 580340), (58034, 347740), (69548, 290170), (86935, 232136), (116068, 173870), (139096, 145085)]