13685620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{4049}}^1$

素因数の和:4084

約数の個数: 36

約数和(自身を含む): 31128300

約数和(自身を除く): 17442680

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 4049, 8098, 16196, 20245, 40490, 52637, 80980, 105274, 210548, 263185, 526370, 684281, 1052740, 1368562, 2737124, 3421405, 6842810, 13685620]

約数ペア:

[(1, 13685620), (2, 6842810), (4, 3421405), (5, 2737124), (10, 1368562), (13, 1052740), (20, 684281), (26, 526370), (52, 263185), (65, 210548), (130, 105274), (169, 80980), (260, 52637), (338, 40490), (676, 20245), (845, 16196), (1690, 8098), (3380, 4049)]