65661440

素因数分解:

$2^9\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1973}}^1$

素因数の和:2009

約数の個数: 80

約数和(自身を含む): 169629768

約数和(自身を除く): 103968328

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 512, 520, 640, 832, 1040, 1280, 1664, 1973, 2080, 2560, 3328, 3946, 4160, 6656, 7892, 8320, 9865, 15784, 16640, 19730, 25649, 31568, 33280, 39460, 51298, 63136, 78920, 102596, 126272, 128245, 157840, 205192, 252544, 256490, 315680, 410384, 505088, 512980, 631360, 820768, 1010176, 1025960, 1262720, 1641536, 2051920, 2525440, 3283072, 4103840, 5050880, 6566144, 8207680, 13132288, 16415360, 32830720, 65661440]

約数ペア:

[(1, 65661440), (2, 32830720), (4, 16415360), (5, 13132288), (8, 8207680), (10, 6566144), (13, 5050880), (16, 4103840), (20, 3283072), (26, 2525440), (32, 2051920), (40, 1641536), (52, 1262720), (64, 1025960), (65, 1010176), (80, 820768), (104, 631360), (128, 512980), (130, 505088), (160, 410384), (208, 315680), (256, 256490), (260, 252544), (320, 205192), (416, 157840), (512, 128245), (520, 126272), (640, 102596), (832, 78920), (1040, 63136), (1280, 51298), (1664, 39460), (1973, 33280), (2080, 31568), (2560, 25649), (3328, 19730), (3946, 16640), (4160, 15784), (6656, 9865), (7892, 8320)]