26778640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{47819}}^1$

素因数の和:47839

約数の個数: 40

約数和(自身を含む): 71156160

約数和(自身を除く): 44377520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 47819, 95638, 191276, 239095, 334733, 382552, 478190, 669466, 765104, 956380, 1338932, 1673665, 1912760, 2677864, 3347330, 3825520, 5355728, 6694660, 13389320, 26778640]

約数ペア:

[(1, 26778640), (2, 13389320), (4, 6694660), (5, 5355728), (7, 3825520), (8, 3347330), (10, 2677864), (14, 1912760), (16, 1673665), (20, 1338932), (28, 956380), (35, 765104), (40, 669466), (56, 478190), (70, 382552), (80, 334733), (112, 239095), (140, 191276), (280, 95638), (560, 47819)]