26181620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{68899}}^1$

素因数の和:68927

約数の個数: 24

約数和(自身を含む): 57876000

約数和(自身を除く): 31694380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 68899, 137798, 275596, 344495, 688990, 1309081, 1377980, 2618162, 5236324, 6545405, 13090810, 26181620]

約数ペア:

[(1, 26181620), (2, 13090810), (4, 6545405), (5, 5236324), (10, 2618162), (19, 1377980), (20, 1309081), (38, 688990), (76, 344495), (95, 275596), (190, 137798), (380, 68899)]