2017190720

素因数分解:

$2^6\times 5^1\times {\mathrm{647}}^1\times {\mathrm{9743}}^1$

素因数の和:10407

約数の個数: 56

約数和(自身を含む): 4811353344

約数和(自身を除く): 2794162624

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 647, 1294, 2588, 3235, 5176, 6470, 9743, 10352, 12940, 19486, 20704, 25880, 38972, 41408, 48715, 51760, 77944, 97430, 103520, 155888, 194860, 207040, 311776, 389720, 623552, 779440, 1558880, 3117760, 6303721, 12607442, 25214884, 31518605, 50429768, 63037210, 100859536, 126074420, 201719072, 252148840, 403438144, 504297680, 1008595360, 2017190720]

約数ペア:

[(1, 2017190720), (2, 1008595360), (4, 504297680), (5, 403438144), (8, 252148840), (10, 201719072), (16, 126074420), (20, 100859536), (32, 63037210), (40, 50429768), (64, 31518605), (80, 25214884), (160, 12607442), (320, 6303721), (647, 3117760), (1294, 1558880), (2588, 779440), (3235, 623552), (5176, 389720), (6470, 311776), (9743, 207040), (10352, 194860), (12940, 155888), (19486, 103520), (20704, 97430), (25880, 77944), (38972, 51760), (41408, 48715)]