80468360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{287387}}^1$

素因数の和:287405

約数の個数: 32

約数和(自身を含む): 206919360

約数和(自身を除く): 126451000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 287387, 574774, 1149548, 1436935, 2011709, 2299096, 2873870, 4023418, 5747740, 8046836, 10058545, 11495480, 16093672, 20117090, 40234180, 80468360]

約数ペア:

[(1, 80468360), (2, 40234180), (4, 20117090), (5, 16093672), (7, 11495480), (8, 10058545), (10, 8046836), (14, 5747740), (20, 4023418), (28, 2873870), (35, 2299096), (40, 2011709), (56, 1436935), (70, 1149548), (140, 574774), (280, 287387)]