39997860

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{95233}}^1$

素因数の和:95252

約数の個数: 48

約数和(自身を含む): 127994496

約数和(自身を除く): 87996636

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 95233, 190466, 285699, 380932, 476165, 571398, 666631, 952330, 1142796, 1333262, 1428495, 1904660, 1999893, 2666524, 2856990, 3333155, 3999786, 5713980, 6666310, 7999572, 9999465, 13332620, 19998930, 39997860]

約数ペア:

[(1, 39997860), (2, 19998930), (3, 13332620), (4, 9999465), (5, 7999572), (6, 6666310), (7, 5713980), (10, 3999786), (12, 3333155), (14, 2856990), (15, 2666524), (20, 1999893), (21, 1904660), (28, 1428495), (30, 1333262), (35, 1142796), (42, 952330), (60, 666631), (70, 571398), (84, 476165), (105, 380932), (140, 285699), (210, 190466), (420, 95233)]