561036620

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{684191}}^1$

素因数の和:684241

約数の個数: 24

約数和(自身を含む): 1206914688

約数和(自身を除く): 645878068

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 684191, 1368382, 2736764, 3420955, 6841910, 13683820, 28051831, 56103662, 112207324, 140259155, 280518310, 561036620]

約数ペア:

[(1, 561036620), (2, 280518310), (4, 140259155), (5, 112207324), (10, 56103662), (20, 28051831), (41, 13683820), (82, 6841910), (164, 3420955), (205, 2736764), (410, 1368382), (820, 684191)]