2785900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{2143}}^1$

素因数の和:2170

約数の個数: 36

約数和(自身を含む): 6513472

約数和(自身を除く): 3727572

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 2143, 4286, 8572, 10715, 21430, 27859, 42860, 53575, 55718, 107150, 111436, 139295, 214300, 278590, 557180, 696475, 1392950, 2785900]

約数ペア:

[(1, 2785900), (2, 1392950), (4, 696475), (5, 557180), (10, 278590), (13, 214300), (20, 139295), (25, 111436), (26, 107150), (50, 55718), (52, 53575), (65, 42860), (100, 27859), (130, 21430), (260, 10715), (325, 8572), (650, 4286), (1300, 2143)]