11722880

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1409}}^1$

素因数の和:1441

約数の個数: 64

約数和(自身を含む): 30202200

約数和(自身を除く): 18479320

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 260, 320, 416, 520, 640, 832, 1040, 1409, 1664, 2080, 2818, 4160, 5636, 7045, 8320, 11272, 14090, 18317, 22544, 28180, 36634, 45088, 56360, 73268, 90176, 91585, 112720, 146536, 180352, 183170, 225440, 293072, 366340, 450880, 586144, 732680, 901760, 1172288, 1465360, 2344576, 2930720, 5861440, 11722880]

約数ペア:

[(1, 11722880), (2, 5861440), (4, 2930720), (5, 2344576), (8, 1465360), (10, 1172288), (13, 901760), (16, 732680), (20, 586144), (26, 450880), (32, 366340), (40, 293072), (52, 225440), (64, 183170), (65, 180352), (80, 146536), (104, 112720), (128, 91585), (130, 90176), (160, 73268), (208, 56360), (260, 45088), (320, 36634), (416, 28180), (520, 22544), (640, 18317), (832, 14090), (1040, 11272), (1409, 8320), (1664, 7045), (2080, 5636), (2818, 4160)]