212555440

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{50131}}^1$

素因数の和:50197

約数の個数: 40

約数和(自身を含む): 503525808

約数和(自身を除く): 290970368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 106, 212, 265, 424, 530, 848, 1060, 2120, 4240, 50131, 100262, 200524, 250655, 401048, 501310, 802096, 1002620, 2005240, 2656943, 4010480, 5313886, 10627772, 13284715, 21255544, 26569430, 42511088, 53138860, 106277720, 212555440]

約数ペア:

[(1, 212555440), (2, 106277720), (4, 53138860), (5, 42511088), (8, 26569430), (10, 21255544), (16, 13284715), (20, 10627772), (40, 5313886), (53, 4010480), (80, 2656943), (106, 2005240), (212, 1002620), (265, 802096), (424, 501310), (530, 401048), (848, 250655), (1060, 200524), (2120, 100262), (4240, 50131)]