39942520

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{389}}^1$

素因数の和:568

約数の個数: 64

約数和(自身を含む): 96033600

約数和(自身を除く): 56091080

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 151, 170, 302, 340, 389, 604, 680, 755, 778, 1208, 1510, 1556, 1945, 2567, 3020, 3112, 3890, 5134, 6040, 6613, 7780, 10268, 12835, 13226, 15560, 20536, 25670, 26452, 33065, 51340, 52904, 58739, 66130, 102680, 117478, 132260, 234956, 264520, 293695, 469912, 587390, 998563, 1174780, 1997126, 2349560, 3994252, 4992815, 7988504, 9985630, 19971260, 39942520]

約数ペア:

[(1, 39942520), (2, 19971260), (4, 9985630), (5, 7988504), (8, 4992815), (10, 3994252), (17, 2349560), (20, 1997126), (34, 1174780), (40, 998563), (68, 587390), (85, 469912), (136, 293695), (151, 264520), (170, 234956), (302, 132260), (340, 117478), (389, 102680), (604, 66130), (680, 58739), (755, 52904), (778, 51340), (1208, 33065), (1510, 26452), (1556, 25670), (1945, 20536), (2567, 15560), (3020, 13226), (3112, 12835), (3890, 10268), (5134, 7780), (6040, 6613)]