40282760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{3061}}^1$

素因数の和:3126

約数の個数: 64

約数和(自身を含む): 105822720

約数和(自身を除く): 65539960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 47, 56, 70, 94, 140, 188, 235, 280, 329, 376, 470, 658, 940, 1316, 1645, 1880, 2632, 3061, 3290, 6122, 6580, 12244, 13160, 15305, 21427, 24488, 30610, 42854, 61220, 85708, 107135, 122440, 143867, 171416, 214270, 287734, 428540, 575468, 719335, 857080, 1007069, 1150936, 1438670, 2014138, 2877340, 4028276, 5035345, 5754680, 8056552, 10070690, 20141380, 40282760]

約数ペア:

[(1, 40282760), (2, 20141380), (4, 10070690), (5, 8056552), (7, 5754680), (8, 5035345), (10, 4028276), (14, 2877340), (20, 2014138), (28, 1438670), (35, 1150936), (40, 1007069), (47, 857080), (56, 719335), (70, 575468), (94, 428540), (140, 287734), (188, 214270), (235, 171416), (280, 143867), (329, 122440), (376, 107135), (470, 85708), (658, 61220), (940, 42854), (1316, 30610), (1645, 24488), (1880, 21427), (2632, 15305), (3061, 13160), (3290, 12244), (6122, 6580)]