11970680

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{2153}}^1$

素因数の和:2303

約数の個数: 32

約数和(自身を含む): 27140400

約数和(自身を除く): 15169720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2153, 2780, 4306, 5560, 8612, 10765, 17224, 21530, 43060, 86120, 299267, 598534, 1197068, 1496335, 2394136, 2992670, 5985340, 11970680]

約数ペア:

[(1, 11970680), (2, 5985340), (4, 2992670), (5, 2394136), (8, 1496335), (10, 1197068), (20, 598534), (40, 299267), (139, 86120), (278, 43060), (556, 21530), (695, 17224), (1112, 10765), (1390, 8612), (2153, 5560), (2780, 4306)]