9955220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{1223}}^1$

素因数の和:1280

約数の個数: 48

約数和(自身を含む): 23442048

約数和(自身を除く): 13486828

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 37, 44, 55, 74, 110, 148, 185, 220, 370, 407, 740, 814, 1223, 1628, 2035, 2446, 4070, 4892, 6115, 8140, 12230, 13453, 24460, 26906, 45251, 53812, 67265, 90502, 134530, 181004, 226255, 269060, 452510, 497761, 905020, 995522, 1991044, 2488805, 4977610, 9955220]

約数ペア:

[(1, 9955220), (2, 4977610), (4, 2488805), (5, 1991044), (10, 995522), (11, 905020), (20, 497761), (22, 452510), (37, 269060), (44, 226255), (55, 181004), (74, 134530), (110, 90502), (148, 67265), (185, 53812), (220, 45251), (370, 26906), (407, 24460), (740, 13453), (814, 12230), (1223, 8140), (1628, 6115), (2035, 4892), (2446, 4070)]