65491520

素因数分解:

$2^6\times 5^1\times {\mathrm{103}}^1\times {\mathrm{1987}}^1$

素因数の和:2107

約数の個数: 56

約数和(自身を含む): 157545024

約数和(自身を除く): 92053504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 103, 160, 206, 320, 412, 515, 824, 1030, 1648, 1987, 2060, 3296, 3974, 4120, 6592, 7948, 8240, 9935, 15896, 16480, 19870, 31792, 32960, 39740, 63584, 79480, 127168, 158960, 204661, 317920, 409322, 635840, 818644, 1023305, 1637288, 2046610, 3274576, 4093220, 6549152, 8186440, 13098304, 16372880, 32745760, 65491520]

約数ペア:

[(1, 65491520), (2, 32745760), (4, 16372880), (5, 13098304), (8, 8186440), (10, 6549152), (16, 4093220), (20, 3274576), (32, 2046610), (40, 1637288), (64, 1023305), (80, 818644), (103, 635840), (160, 409322), (206, 317920), (320, 204661), (412, 158960), (515, 127168), (824, 79480), (1030, 63584), (1648, 39740), (1987, 32960), (2060, 31792), (3296, 19870), (3974, 16480), (4120, 15896), (6592, 9935), (7948, 8240)]