39968180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{4261}}^1$

素因数の和:4344

約数の個数: 48

約数和(自身を含む): 97378176

約数和(自身を除く): 57409996

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 67, 70, 134, 140, 268, 335, 469, 670, 938, 1340, 1876, 2345, 4261, 4690, 8522, 9380, 17044, 21305, 29827, 42610, 59654, 85220, 119308, 149135, 285487, 298270, 570974, 596540, 1141948, 1427435, 1998409, 2854870, 3996818, 5709740, 7993636, 9992045, 19984090, 39968180]

約数ペア:

[(1, 39968180), (2, 19984090), (4, 9992045), (5, 7993636), (7, 5709740), (10, 3996818), (14, 2854870), (20, 1998409), (28, 1427435), (35, 1141948), (67, 596540), (70, 570974), (134, 298270), (140, 285487), (268, 149135), (335, 119308), (469, 85220), (670, 59654), (938, 42610), (1340, 29827), (1876, 21305), (2345, 17044), (4261, 9380), (4690, 8522)]