871876240

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{351563}}^1$

素因数の和:351607

約数の個数: 40

約数和(自身を含む): 2092508928

約数和(自身を除く): 1220632688

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 351563, 703126, 1406252, 1757815, 2812504, 3515630, 5625008, 7031260, 10898453, 14062520, 21796906, 28125040, 43593812, 54492265, 87187624, 108984530, 174375248, 217969060, 435938120, 871876240]

約数ペア:

[(1, 871876240), (2, 435938120), (4, 217969060), (5, 174375248), (8, 108984530), (10, 87187624), (16, 54492265), (20, 43593812), (31, 28125040), (40, 21796906), (62, 14062520), (80, 10898453), (124, 7031260), (155, 5625008), (248, 3515630), (310, 2812504), (496, 1757815), (620, 1406252), (1240, 703126), (2480, 351563)]