26457980

素因数分解:

$2^2\times 5^1\times {\mathrm{401}}^1\times {\mathrm{3299}}^1$

素因数の和:3709

約数の個数: 24

約数和(自身を含む): 55717200

約数和(自身を除く): 29259220

約数列:

[1, 2, 4, 5, 10, 20, 401, 802, 1604, 2005, 3299, 4010, 6598, 8020, 13196, 16495, 32990, 65980, 1322899, 2645798, 5291596, 6614495, 13228990, 26457980]

約数ペア:

[(1, 26457980), (2, 13228990), (4, 6614495), (5, 5291596), (10, 2645798), (20, 1322899), (401, 65980), (802, 32990), (1604, 16495), (2005, 13196), (3299, 8020), (4010, 6598)]