25852020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{521}}^1\times {\mathrm{827}}^1$

素因数の和:1360

約数の個数: 48

約数和(自身を含む): 72612288

約数和(自身を除く): 46760268

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 521, 827, 1042, 1563, 1654, 2084, 2481, 2605, 3126, 3308, 4135, 4962, 5210, 6252, 7815, 8270, 9924, 10420, 12405, 15630, 16540, 24810, 31260, 49620, 430867, 861734, 1292601, 1723468, 2154335, 2585202, 4308670, 5170404, 6463005, 8617340, 12926010, 25852020]

約数ペア:

[(1, 25852020), (2, 12926010), (3, 8617340), (4, 6463005), (5, 5170404), (6, 4308670), (10, 2585202), (12, 2154335), (15, 1723468), (20, 1292601), (30, 861734), (60, 430867), (521, 49620), (827, 31260), (1042, 24810), (1563, 16540), (1654, 15630), (2084, 12405), (2481, 10420), (2605, 9924), (3126, 8270), (3308, 7815), (4135, 6252), (4962, 5210)]