26142280

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{15199}}^1$

素因数の和:15253

約数の個数: 32

約数和(自身を含む): 60192000

約数和(自身を除く): 34049720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 15199, 30398, 60796, 75995, 121592, 151990, 303980, 607960, 653557, 1307114, 2614228, 3267785, 5228456, 6535570, 13071140, 26142280]

約数ペア:

[(1, 26142280), (2, 13071140), (4, 6535570), (5, 5228456), (8, 3267785), (10, 2614228), (20, 1307114), (40, 653557), (43, 607960), (86, 303980), (172, 151990), (215, 121592), (344, 75995), (430, 60796), (860, 30398), (1720, 15199)]