40838220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{11941}}^1$

素因数の和:11975

約数の個数: 72

約数和(自身を含む): 130406640

約数和(自身を除く): 89568420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 11941, 23882, 35823, 47764, 59705, 71646, 107469, 119410, 143292, 179115, 214938, 226879, 238820, 358230, 429876, 453758, 537345, 680637, 716460, 907516, 1074690, 1134395, 1361274, 2041911, 2149380, 2268790, 2722548, 3403185, 4083822, 4537580, 6806370, 8167644, 10209555, 13612740, 20419110, 40838220]

約数ペア:

[(1, 40838220), (2, 20419110), (3, 13612740), (4, 10209555), (5, 8167644), (6, 6806370), (9, 4537580), (10, 4083822), (12, 3403185), (15, 2722548), (18, 2268790), (19, 2149380), (20, 2041911), (30, 1361274), (36, 1134395), (38, 1074690), (45, 907516), (57, 716460), (60, 680637), (76, 537345), (90, 453758), (95, 429876), (114, 358230), (171, 238820), (180, 226879), (190, 214938), (228, 179115), (285, 143292), (342, 119410), (380, 107469), (570, 71646), (684, 59705), (855, 47764), (1140, 35823), (1710, 23882), (3420, 11941)]