25026820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{13751}}^1$

素因数の和:13780

約数の個数: 48

約数和(自身を含む): 64689408

約数和(自身を除く): 39662588

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 13751, 27502, 55004, 68755, 96257, 137510, 178763, 192514, 275020, 357526, 385028, 481285, 715052, 893815, 962570, 1251341, 1787630, 1925140, 2502682, 3575260, 5005364, 6256705, 12513410, 25026820]

約数ペア:

[(1, 25026820), (2, 12513410), (4, 6256705), (5, 5005364), (7, 3575260), (10, 2502682), (13, 1925140), (14, 1787630), (20, 1251341), (26, 962570), (28, 893815), (35, 715052), (52, 481285), (65, 385028), (70, 357526), (91, 275020), (130, 192514), (140, 178763), (182, 137510), (260, 96257), (364, 68755), (455, 55004), (910, 27502), (1820, 13751)]