2782000

素因数分解:

$2^4\times 5^3\times {\mathrm{13}}^1\times {\mathrm{107}}^1$

素因数の和:143

約数の個数: 80

約数和(自身を含む): 7312032

約数和(自身を除く): 4530032

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 107, 125, 130, 200, 208, 214, 250, 260, 325, 400, 428, 500, 520, 535, 650, 856, 1000, 1040, 1070, 1300, 1391, 1625, 1712, 2000, 2140, 2600, 2675, 2782, 3250, 4280, 5200, 5350, 5564, 6500, 6955, 8560, 10700, 11128, 13000, 13375, 13910, 21400, 22256, 26000, 26750, 27820, 34775, 42800, 53500, 55640, 69550, 107000, 111280, 139100, 173875, 214000, 278200, 347750, 556400, 695500, 1391000, 2782000]

約数ペア:

[(1, 2782000), (2, 1391000), (4, 695500), (5, 556400), (8, 347750), (10, 278200), (13, 214000), (16, 173875), (20, 139100), (25, 111280), (26, 107000), (40, 69550), (50, 55640), (52, 53500), (65, 42800), (80, 34775), (100, 27820), (104, 26750), (107, 26000), (125, 22256), (130, 21400), (200, 13910), (208, 13375), (214, 13000), (250, 11128), (260, 10700), (325, 8560), (400, 6955), (428, 6500), (500, 5564), (520, 5350), (535, 5200), (650, 4280), (856, 3250), (1000, 2782), (1040, 2675), (1070, 2600), (1300, 2140), (1391, 2000), (1625, 1712)]