396156940

素因数分解:

$2^2\times 5^1\times {\mathrm{1259}}^1\times {\mathrm{15733}}^1$

素因数の和:17001

約数の個数: 24

約数和(自身を含む): 832643280

約数和(自身を除く): 436486340

約数列:

[1, 2, 4, 5, 10, 20, 1259, 2518, 5036, 6295, 12590, 15733, 25180, 31466, 62932, 78665, 157330, 314660, 19807847, 39615694, 79231388, 99039235, 198078470, 396156940]

約数ペア:

[(1, 396156940), (2, 198078470), (4, 99039235), (5, 79231388), (10, 39615694), (20, 19807847), (1259, 314660), (2518, 157330), (5036, 78665), (6295, 62932), (12590, 31466), (15733, 25180)]