4020007520

素因数分解:

$2^5\times 5^1\times {\mathrm{379}}^1\times {\mathrm{66293}}^1$

素因数の和:66687

約数の個数: 48

約数和(自身を含む): 9522470160

約数和(自身を除く): 5502462640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 379, 758, 1516, 1895, 3032, 3790, 6064, 7580, 12128, 15160, 30320, 60640, 66293, 132586, 265172, 331465, 530344, 662930, 1060688, 1325860, 2121376, 2651720, 5303440, 10606880, 25125047, 50250094, 100500188, 125625235, 201000376, 251250470, 402000752, 502500940, 804001504, 1005001880, 2010003760, 4020007520]

約数ペア:

[(1, 4020007520), (2, 2010003760), (4, 1005001880), (5, 804001504), (8, 502500940), (10, 402000752), (16, 251250470), (20, 201000376), (32, 125625235), (40, 100500188), (80, 50250094), (160, 25125047), (379, 10606880), (758, 5303440), (1516, 2651720), (1895, 2121376), (3032, 1325860), (3790, 1060688), (6064, 662930), (7580, 530344), (12128, 331465), (15160, 265172), (30320, 132586), (60640, 66293)]