56492020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{12781}}^1$

素因数の和:12820

約数の個数: 48

約数和(自身を含む): 135284688

約数和(自身を除く): 78792668

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 1105, 2210, 4420, 12781, 25562, 51124, 63905, 127810, 166153, 217277, 255620, 332306, 434554, 664612, 830765, 869108, 1086385, 1661530, 2172770, 2824601, 3323060, 4345540, 5649202, 11298404, 14123005, 28246010, 56492020]

約数ペア:

[(1, 56492020), (2, 28246010), (4, 14123005), (5, 11298404), (10, 5649202), (13, 4345540), (17, 3323060), (20, 2824601), (26, 2172770), (34, 1661530), (52, 1086385), (65, 869108), (68, 830765), (85, 664612), (130, 434554), (170, 332306), (221, 255620), (260, 217277), (340, 166153), (442, 127810), (884, 63905), (1105, 51124), (2210, 25562), (4420, 12781)]