10390640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{103}}^1$

素因数の和:226

約数の個数: 80

約数和(自身を含む): 26539968

約数和(自身を除く): 16149328

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 97, 103, 104, 130, 194, 206, 208, 260, 388, 412, 485, 515, 520, 776, 824, 970, 1030, 1040, 1261, 1339, 1552, 1648, 1940, 2060, 2522, 2678, 3880, 4120, 5044, 5356, 6305, 6695, 7760, 8240, 9991, 10088, 10712, 12610, 13390, 19982, 20176, 21424, 25220, 26780, 39964, 49955, 50440, 53560, 79928, 99910, 100880, 107120, 129883, 159856, 199820, 259766, 399640, 519532, 649415, 799280, 1039064, 1298830, 2078128, 2597660, 5195320, 10390640]

約数ペア:

[(1, 10390640), (2, 5195320), (4, 2597660), (5, 2078128), (8, 1298830), (10, 1039064), (13, 799280), (16, 649415), (20, 519532), (26, 399640), (40, 259766), (52, 199820), (65, 159856), (80, 129883), (97, 107120), (103, 100880), (104, 99910), (130, 79928), (194, 53560), (206, 50440), (208, 49955), (260, 39964), (388, 26780), (412, 25220), (485, 21424), (515, 20176), (520, 19982), (776, 13390), (824, 12610), (970, 10712), (1030, 10088), (1040, 9991), (1261, 8240), (1339, 7760), (1552, 6695), (1648, 6305), (1940, 5356), (2060, 5044), (2522, 4120), (2678, 3880)]