28432240

素因数分解:

$2^4\times 5^1\times {\mathrm{131}}^1\times {\mathrm{2713}}^1$

素因数の和:2857

約数の個数: 40

約数和(自身を含む): 66634128

約数和(自身を除く): 38201888

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 131, 262, 524, 655, 1048, 1310, 2096, 2620, 2713, 5240, 5426, 10480, 10852, 13565, 21704, 27130, 43408, 54260, 108520, 217040, 355403, 710806, 1421612, 1777015, 2843224, 3554030, 5686448, 7108060, 14216120, 28432240]

約数ペア:

[(1, 28432240), (2, 14216120), (4, 7108060), (5, 5686448), (8, 3554030), (10, 2843224), (16, 1777015), (20, 1421612), (40, 710806), (80, 355403), (131, 217040), (262, 108520), (524, 54260), (655, 43408), (1048, 27130), (1310, 21704), (2096, 13565), (2620, 10852), (2713, 10480), (5240, 5426)]