40027540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{9859}}^1$

素因数の和:9904

約数の個数: 48

約数和(自身を含む): 99388800

約数和(自身を除く): 59361260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 2030, 4060, 9859, 19718, 39436, 49295, 69013, 98590, 138026, 197180, 276052, 285911, 345065, 571822, 690130, 1143644, 1380260, 1429555, 2001377, 2859110, 4002754, 5718220, 8005508, 10006885, 20013770, 40027540]

約数ペア:

[(1, 40027540), (2, 20013770), (4, 10006885), (5, 8005508), (7, 5718220), (10, 4002754), (14, 2859110), (20, 2001377), (28, 1429555), (29, 1380260), (35, 1143644), (58, 690130), (70, 571822), (116, 345065), (140, 285911), (145, 276052), (203, 197180), (290, 138026), (406, 98590), (580, 69013), (812, 49295), (1015, 39436), (2030, 19718), (4060, 9859)]