2480740

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1747}}^1$

素因数の和:1827

約数の個数: 24

約数和(自身を含む): 5285952

約数和(自身を除く): 2805212

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 1747, 3494, 6988, 8735, 17470, 34940, 124037, 248074, 496148, 620185, 1240370, 2480740]

約数ペア:

[(1, 2480740), (2, 1240370), (4, 620185), (5, 496148), (10, 248074), (20, 124037), (71, 34940), (142, 17470), (284, 8735), (355, 6988), (710, 3494), (1420, 1747)]