138400880

素因数分解:

$2^4\times 5^1\times {\mathrm{383}}^1\times {\mathrm{4517}}^1$

素因数の和:4913

約数の個数: 40

約数和(自身を含む): 322693632

約数和(自身を除く): 184292752

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 383, 766, 1532, 1915, 3064, 3830, 4517, 6128, 7660, 9034, 15320, 18068, 22585, 30640, 36136, 45170, 72272, 90340, 180680, 361360, 1730011, 3460022, 6920044, 8650055, 13840088, 17300110, 27680176, 34600220, 69200440, 138400880]

約数ペア:

[(1, 138400880), (2, 69200440), (4, 34600220), (5, 27680176), (8, 17300110), (10, 13840088), (16, 8650055), (20, 6920044), (40, 3460022), (80, 1730011), (383, 361360), (766, 180680), (1532, 90340), (1915, 72272), (3064, 45170), (3830, 36136), (4517, 30640), (6128, 22585), (7660, 18068), (9034, 15320)]