2802020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{829}}^1$

素因数の和:864

約数の個数: 36

約数和(自身を含む): 6379380

約数和(自身を除く): 3577360

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 829, 845, 1658, 1690, 3316, 3380, 4145, 8290, 10777, 16580, 21554, 43108, 53885, 107770, 140101, 215540, 280202, 560404, 700505, 1401010, 2802020]

約数ペア:

[(1, 2802020), (2, 1401010), (4, 700505), (5, 560404), (10, 280202), (13, 215540), (20, 140101), (26, 107770), (52, 53885), (65, 43108), (130, 21554), (169, 16580), (260, 10777), (338, 8290), (676, 4145), (829, 3380), (845, 3316), (1658, 1690)]