28616140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{8887}}^1$

素因数の和:8926

約数の個数: 48

約数和(自身を含む): 71672832

約数和(自身を除く): 43056692

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 8887, 17774, 35548, 44435, 62209, 88870, 124418, 177740, 204401, 248836, 311045, 408802, 622090, 817604, 1022005, 1244180, 1430807, 2044010, 2861614, 4088020, 5723228, 7154035, 14308070, 28616140]

約数ペア:

[(1, 28616140), (2, 14308070), (4, 7154035), (5, 5723228), (7, 4088020), (10, 2861614), (14, 2044010), (20, 1430807), (23, 1244180), (28, 1022005), (35, 817604), (46, 622090), (70, 408802), (92, 311045), (115, 248836), (140, 204401), (161, 177740), (230, 124418), (322, 88870), (460, 62209), (644, 44435), (805, 35548), (1610, 17774), (3220, 8887)]