200603980

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{244639}}^1$

素因数の和:244689

約数の個数: 24

約数和(自身を含む): 431544960

約数和(自身を除く): 230940980

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 244639, 489278, 978556, 1223195, 2446390, 4892780, 10030199, 20060398, 40120796, 50150995, 100301990, 200603980]

約数ペア:

[(1, 200603980), (2, 100301990), (4, 50150995), (5, 40120796), (10, 20060398), (20, 10030199), (41, 4892780), (82, 2446390), (164, 1223195), (205, 978556), (410, 489278), (820, 244639)]