24221980

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{271}}^1$

素因数の和:430

約数の個数: 48

約数和(自身を含む): 52778880

約数和(自身を除く): 28556900

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 109, 164, 205, 218, 271, 410, 436, 542, 545, 820, 1084, 1090, 1355, 2180, 2710, 4469, 5420, 8938, 11111, 17876, 22222, 22345, 29539, 44444, 44690, 55555, 59078, 89380, 111110, 118156, 147695, 222220, 295390, 590780, 1211099, 2422198, 4844396, 6055495, 12110990, 24221980]

約数ペア:

[(1, 24221980), (2, 12110990), (4, 6055495), (5, 4844396), (10, 2422198), (20, 1211099), (41, 590780), (82, 295390), (109, 222220), (164, 147695), (205, 118156), (218, 111110), (271, 89380), (410, 59078), (436, 55555), (542, 44690), (545, 44444), (820, 29539), (1084, 22345), (1090, 22222), (1355, 17876), (2180, 11111), (2710, 8938), (4469, 5420)]