556251280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{534857}}^1$

素因数の和:534883

約数の個数: 40

約数和(自身を含む): 1392770232

約数和(自身を除く): 836518952

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 534857, 1069714, 2139428, 2674285, 4278856, 5348570, 6953141, 8557712, 10697140, 13906282, 21394280, 27812564, 34765705, 42788560, 55625128, 69531410, 111250256, 139062820, 278125640, 556251280]

約数ペア:

[(1, 556251280), (2, 278125640), (4, 139062820), (5, 111250256), (8, 69531410), (10, 55625128), (13, 42788560), (16, 34765705), (20, 27812564), (26, 21394280), (40, 13906282), (52, 10697140), (65, 8557712), (80, 6953141), (104, 5348570), (130, 4278856), (208, 2674285), (260, 2139428), (520, 1069714), (1040, 534857)]