38814620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149287}}^1$

素因数の和:149309

約数の個数: 24

約数和(自身を含む): 87781344

約数和(自身を除く): 48966724

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 149287, 298574, 597148, 746435, 1492870, 1940731, 2985740, 3881462, 7762924, 9703655, 19407310, 38814620]

約数ペア:

[(1, 38814620), (2, 19407310), (4, 9703655), (5, 7762924), (10, 3881462), (13, 2985740), (20, 1940731), (26, 1492870), (52, 746435), (65, 597148), (130, 298574), (260, 149287)]