23308780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{1049}}^1$

素因数の和:1170

約数の個数: 48

約数和(自身を含む): 53978400

約数和(自身を除く): 30669620

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 101, 110, 202, 220, 404, 505, 1010, 1049, 1111, 2020, 2098, 2222, 4196, 4444, 5245, 5555, 10490, 11110, 11539, 20980, 22220, 23078, 46156, 57695, 105949, 115390, 211898, 230780, 423796, 529745, 1059490, 1165439, 2118980, 2330878, 4661756, 5827195, 11654390, 23308780]

約数ペア:

[(1, 23308780), (2, 11654390), (4, 5827195), (5, 4661756), (10, 2330878), (11, 2118980), (20, 1165439), (22, 1059490), (44, 529745), (55, 423796), (101, 230780), (110, 211898), (202, 115390), (220, 105949), (404, 57695), (505, 46156), (1010, 23078), (1049, 22220), (1111, 20980), (2020, 11539), (2098, 11110), (2222, 10490), (4196, 5555), (4444, 5245)]