28118420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{5557}}^1$

素因数の和:5600

約数の個数: 48

約数和(自身を含む): 67229568

約数和(自身を除く): 39111148

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 92, 110, 115, 220, 230, 253, 460, 506, 1012, 1265, 2530, 5060, 5557, 11114, 22228, 27785, 55570, 61127, 111140, 122254, 127811, 244508, 255622, 305635, 511244, 611270, 639055, 1222540, 1278110, 1405921, 2556220, 2811842, 5623684, 7029605, 14059210, 28118420]

約数ペア:

[(1, 28118420), (2, 14059210), (4, 7029605), (5, 5623684), (10, 2811842), (11, 2556220), (20, 1405921), (22, 1278110), (23, 1222540), (44, 639055), (46, 611270), (55, 511244), (92, 305635), (110, 255622), (115, 244508), (220, 127811), (230, 122254), (253, 111140), (460, 61127), (506, 55570), (1012, 27785), (1265, 22228), (2530, 11114), (5060, 5557)]