2205860

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{2081}}^1$

素因数の和:2143

約数の個数: 24

約数和(自身を含む): 4721976

約数和(自身を除く): 2516116

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 1060, 2081, 4162, 8324, 10405, 20810, 41620, 110293, 220586, 441172, 551465, 1102930, 2205860]

約数ペア:

[(1, 2205860), (2, 1102930), (4, 551465), (5, 441172), (10, 220586), (20, 110293), (53, 41620), (106, 20810), (212, 10405), (265, 8324), (530, 4162), (1060, 2081)]