202378640

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{58831}}^1$

素因数の和:58887

約数の個数: 40

約数和(自身を含む): 481481088

約数和(自身を除く): 279102448

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 58831, 117662, 235324, 294155, 470648, 588310, 941296, 1176620, 2353240, 2529733, 4706480, 5059466, 10118932, 12648665, 20237864, 25297330, 40475728, 50594660, 101189320, 202378640]

約数ペア:

[(1, 202378640), (2, 101189320), (4, 50594660), (5, 40475728), (8, 25297330), (10, 20237864), (16, 12648665), (20, 10118932), (40, 5059466), (43, 4706480), (80, 2529733), (86, 2353240), (172, 1176620), (215, 941296), (344, 588310), (430, 470648), (688, 294155), (860, 235324), (1720, 117662), (3440, 58831)]