201293720

素因数分解:

$2^3\times 5^1\times {\mathrm{181}}^1\times {\mathrm{27803}}^1$

素因数の和:27995

約数の個数: 32

約数和(自身を含む): 455429520

約数和(自身を除く): 254135800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 181, 362, 724, 905, 1448, 1810, 3620, 7240, 27803, 55606, 111212, 139015, 222424, 278030, 556060, 1112120, 5032343, 10064686, 20129372, 25161715, 40258744, 50323430, 100646860, 201293720]

約数ペア:

[(1, 201293720), (2, 100646860), (4, 50323430), (5, 40258744), (8, 25161715), (10, 20129372), (20, 10064686), (40, 5032343), (181, 1112120), (362, 556060), (724, 278030), (905, 222424), (1448, 139015), (1810, 111212), (3620, 55606), (7240, 27803)]