2080759980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2667641}}^1$

素因数の和:2667666

約数の個数: 48

約数和(自身を含む): 6274293984

約数和(自身を除く): 4193534004

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 2667641, 5335282, 8002923, 10670564, 13338205, 16005846, 26676410, 32011692, 34679333, 40014615, 53352820, 69358666, 80029230, 104037999, 138717332, 160058460, 173396665, 208075998, 346793330, 416151996, 520189995, 693586660, 1040379990, 2080759980]

約数ペア:

[(1, 2080759980), (2, 1040379990), (3, 693586660), (4, 520189995), (5, 416151996), (6, 346793330), (10, 208075998), (12, 173396665), (13, 160058460), (15, 138717332), (20, 104037999), (26, 80029230), (30, 69358666), (39, 53352820), (52, 40014615), (60, 34679333), (65, 32011692), (78, 26676410), (130, 16005846), (156, 13338205), (195, 10670564), (260, 8002923), (390, 5335282), (780, 2667641)]