420068360

素因数分解:

$2^3\times 5^1\times {\mathrm{193}}^1\times {\mathrm{54413}}^1$

素因数の和:54617

約数の個数: 32

約数和(自身を含む): 950068440

約数和(自身を除く): 530000080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 193, 386, 772, 965, 1544, 1930, 3860, 7720, 54413, 108826, 217652, 272065, 435304, 544130, 1088260, 2176520, 10501709, 21003418, 42006836, 52508545, 84013672, 105017090, 210034180, 420068360]

約数ペア:

[(1, 420068360), (2, 210034180), (4, 105017090), (5, 84013672), (8, 52508545), (10, 42006836), (20, 21003418), (40, 10501709), (193, 2176520), (386, 1088260), (772, 544130), (965, 435304), (1544, 272065), (1930, 217652), (3860, 108826), (7720, 54413)]