2519366980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{70729}}^1$

素因数の和:70888

約数の個数: 48

約数和(自身を含む): 5739315120

約数和(自身を除く): 3219948140

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 137, 260, 274, 548, 685, 1370, 1781, 2740, 3562, 7124, 8905, 17810, 35620, 70729, 141458, 282916, 353645, 707290, 919477, 1414580, 1838954, 3677908, 4597385, 9194770, 9689873, 18389540, 19379746, 38759492, 48449365, 96898730, 125968349, 193797460, 251936698, 503873396, 629841745, 1259683490, 2519366980]

約数ペア:

[(1, 2519366980), (2, 1259683490), (4, 629841745), (5, 503873396), (10, 251936698), (13, 193797460), (20, 125968349), (26, 96898730), (52, 48449365), (65, 38759492), (130, 19379746), (137, 18389540), (260, 9689873), (274, 9194770), (548, 4597385), (685, 3677908), (1370, 1838954), (1781, 1414580), (2740, 919477), (3562, 707290), (7124, 353645), (8905, 282916), (17810, 141458), (35620, 70729)]