25938220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{16843}}^1$

素因数の和:16870

約数の個数: 48

約数和(自身を含む): 67915008

約数和(自身を除く): 41976788

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 16843, 33686, 67372, 84215, 117901, 168430, 185273, 235802, 336860, 370546, 471604, 589505, 741092, 926365, 1179010, 1296911, 1852730, 2358020, 2593822, 3705460, 5187644, 6484555, 12969110, 25938220]

約数ペア:

[(1, 25938220), (2, 12969110), (4, 6484555), (5, 5187644), (7, 3705460), (10, 2593822), (11, 2358020), (14, 1852730), (20, 1296911), (22, 1179010), (28, 926365), (35, 741092), (44, 589505), (55, 471604), (70, 370546), (77, 336860), (110, 235802), (140, 185273), (154, 168430), (220, 117901), (308, 84215), (385, 67372), (770, 33686), (1540, 16843)]