25993100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{523}}^1$

素因数の和:615

約数の個数: 72

約数和(自身を含む): 65495808

約数和(自身を除く): 39502708

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 71, 100, 140, 142, 175, 284, 350, 355, 497, 523, 700, 710, 994, 1046, 1420, 1775, 1988, 2092, 2485, 2615, 3550, 3661, 4970, 5230, 7100, 7322, 9940, 10460, 12425, 13075, 14644, 18305, 24850, 26150, 36610, 37133, 49700, 52300, 73220, 74266, 91525, 148532, 183050, 185665, 259931, 366100, 371330, 519862, 742660, 928325, 1039724, 1299655, 1856650, 2599310, 3713300, 5198620, 6498275, 12996550, 25993100]

約数ペア:

[(1, 25993100), (2, 12996550), (4, 6498275), (5, 5198620), (7, 3713300), (10, 2599310), (14, 1856650), (20, 1299655), (25, 1039724), (28, 928325), (35, 742660), (50, 519862), (70, 371330), (71, 366100), (100, 259931), (140, 185665), (142, 183050), (175, 148532), (284, 91525), (350, 74266), (355, 73220), (497, 52300), (523, 49700), (700, 37133), (710, 36610), (994, 26150), (1046, 24850), (1420, 18305), (1775, 14644), (1988, 13075), (2092, 12425), (2485, 10460), (2615, 9940), (3550, 7322), (3661, 7100), (4970, 5230)]