201650860

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{113287}}^1$

素因数の和:113385

約数の個数: 24

約数和(自身を含む): 428228640

約数和(自身を除く): 226577780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 113287, 226574, 453148, 566435, 1132870, 2265740, 10082543, 20165086, 40330172, 50412715, 100825430, 201650860]

約数ペア:

[(1, 201650860), (2, 100825430), (4, 50412715), (5, 40330172), (10, 20165086), (20, 10082543), (89, 2265740), (178, 1132870), (356, 566435), (445, 453148), (890, 226574), (1780, 113287)]