1313752240

素因数分解:

$2^4\times 5^1\times {\mathrm{331}}^1\times {\mathrm{49613}}^1$

素因数の和:49957

約数の個数: 40

約数和(自身を含む): 3063763728

約数和(自身を除く): 1750011488

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 331, 662, 1324, 1655, 2648, 3310, 5296, 6620, 13240, 26480, 49613, 99226, 198452, 248065, 396904, 496130, 793808, 992260, 1984520, 3969040, 16421903, 32843806, 65687612, 82109515, 131375224, 164219030, 262750448, 328438060, 656876120, 1313752240]

約数ペア:

[(1, 1313752240), (2, 656876120), (4, 328438060), (5, 262750448), (8, 164219030), (10, 131375224), (16, 82109515), (20, 65687612), (40, 32843806), (80, 16421903), (331, 3969040), (662, 1984520), (1324, 992260), (1655, 793808), (2648, 496130), (3310, 396904), (5296, 248065), (6620, 198452), (13240, 99226), (26480, 49613)]