4254212840

素因数分解:

$2^3\times 5^1\times {\mathrm{13807}}^1\times {\mathrm{7703}}^1$

素因数の和:21521

約数の個数: 32

約数和(自身を含む): 9573914880

約数和(自身を除く): 5319702040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 7703, 13807, 15406, 27614, 30812, 38515, 55228, 61624, 69035, 77030, 110456, 138070, 154060, 276140, 308120, 552280, 106355321, 212710642, 425421284, 531776605, 850842568, 1063553210, 2127106420, 4254212840]

約数ペア:

[(1, 4254212840), (2, 2127106420), (4, 1063553210), (5, 850842568), (8, 531776605), (10, 425421284), (20, 212710642), (40, 106355321), (7703, 552280), (13807, 308120), (15406, 276140), (27614, 154060), (30812, 138070), (38515, 110456), (55228, 77030), (61624, 69035)]