11728420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{599}}^1$

素因数の和:708

約数の個数: 48

約数和(自身を含む): 27216000

約数和(自身を除く): 15487580

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 89, 110, 178, 220, 356, 445, 599, 890, 979, 1198, 1780, 1958, 2396, 2995, 3916, 4895, 5990, 6589, 9790, 11980, 13178, 19580, 26356, 32945, 53311, 65890, 106622, 131780, 213244, 266555, 533110, 586421, 1066220, 1172842, 2345684, 2932105, 5864210, 11728420]

約数ペア:

[(1, 11728420), (2, 5864210), (4, 2932105), (5, 2345684), (10, 1172842), (11, 1066220), (20, 586421), (22, 533110), (44, 266555), (55, 213244), (89, 131780), (110, 106622), (178, 65890), (220, 53311), (356, 32945), (445, 26356), (599, 19580), (890, 13178), (979, 11980), (1198, 9790), (1780, 6589), (1958, 5990), (2396, 4895), (2995, 3916)]