17931688120

素因数分解:

$2^3\times 5^1\times {\mathrm{1031}}^1\times {\mathrm{434813}}^1$

素因数の和:435855

約数の個数: 32

約数和(自身を含む): 40385524320

約数和(自身を除く): 22453836200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1031, 2062, 4124, 5155, 8248, 10310, 20620, 41240, 434813, 869626, 1739252, 2174065, 3478504, 4348130, 8696260, 17392520, 448292203, 896584406, 1793168812, 2241461015, 3586337624, 4482922030, 8965844060, 17931688120]

約数ペア:

[(1, 17931688120), (2, 8965844060), (4, 4482922030), (5, 3586337624), (8, 2241461015), (10, 1793168812), (20, 896584406), (40, 448292203), (1031, 17392520), (2062, 8696260), (4124, 4348130), (5155, 3478504), (8248, 2174065), (10310, 1739252), (20620, 869626), (41240, 434813)]