66294020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{254977}}^1$

素因数の和:254999

約数の個数: 24

約数和(自身を含む): 149927064

約数和(自身を除く): 83633044

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 254977, 509954, 1019908, 1274885, 2549770, 3314701, 5099540, 6629402, 13258804, 16573505, 33147010, 66294020]

約数ペア:

[(1, 66294020), (2, 33147010), (4, 16573505), (5, 13258804), (10, 6629402), (13, 5099540), (20, 3314701), (26, 2549770), (52, 1274885), (65, 1019908), (130, 509954), (260, 254977)]