65396720

素因数分解:

$2^4\times 5^1\times {\mathrm{139}}^1\times {\mathrm{5881}}^1$

素因数の和:6033

約数の個数: 40

約数和(自身を含む): 153167280

約数和(自身を除く): 87770560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 139, 278, 556, 695, 1112, 1390, 2224, 2780, 5560, 5881, 11120, 11762, 23524, 29405, 47048, 58810, 94096, 117620, 235240, 470480, 817459, 1634918, 3269836, 4087295, 6539672, 8174590, 13079344, 16349180, 32698360, 65396720]

約数ペア:

[(1, 65396720), (2, 32698360), (4, 16349180), (5, 13079344), (8, 8174590), (10, 6539672), (16, 4087295), (20, 3269836), (40, 1634918), (80, 817459), (139, 470480), (278, 235240), (556, 117620), (695, 94096), (1112, 58810), (1390, 47048), (2224, 29405), (2780, 23524), (5560, 11762), (5881, 11120)]