22217900

素因数分解:

$2^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{5419}}^1$

素因数の和:5474

約数の個数: 36

約数和(自身を含む): 49397880

約数和(自身を除く): 27179980

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 100, 164, 205, 410, 820, 1025, 2050, 4100, 5419, 10838, 21676, 27095, 54190, 108380, 135475, 222179, 270950, 444358, 541900, 888716, 1110895, 2221790, 4443580, 5554475, 11108950, 22217900]

約数ペア:

[(1, 22217900), (2, 11108950), (4, 5554475), (5, 4443580), (10, 2221790), (20, 1110895), (25, 888716), (41, 541900), (50, 444358), (82, 270950), (100, 222179), (164, 135475), (205, 108380), (410, 54190), (820, 27095), (1025, 21676), (2050, 10838), (4100, 5419)]