25852720

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{3631}}^1$

素因数の和:3733

約数の個数: 40

約数和(自身を含む): 60799680

約数和(自身を除く): 34946960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 445, 712, 890, 1424, 1780, 3560, 3631, 7120, 7262, 14524, 18155, 29048, 36310, 58096, 72620, 145240, 290480, 323159, 646318, 1292636, 1615795, 2585272, 3231590, 5170544, 6463180, 12926360, 25852720]

約数ペア:

[(1, 25852720), (2, 12926360), (4, 6463180), (5, 5170544), (8, 3231590), (10, 2585272), (16, 1615795), (20, 1292636), (40, 646318), (80, 323159), (89, 290480), (178, 145240), (356, 72620), (445, 58096), (712, 36310), (890, 29048), (1424, 18155), (1780, 14524), (3560, 7262), (3631, 7120)]