28431680

素因数分解:

$2^6\times 5^1\times {\mathrm{23}}^1\times {\mathrm{3863}}^1$

素因数の和:3903

約数の個数: 56

約数和(自身を含む): 70664832

約数和(自身を除く): 42233152

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 160, 184, 230, 320, 368, 460, 736, 920, 1472, 1840, 3680, 3863, 7360, 7726, 15452, 19315, 30904, 38630, 61808, 77260, 88849, 123616, 154520, 177698, 247232, 309040, 355396, 444245, 618080, 710792, 888490, 1236160, 1421584, 1776980, 2843168, 3553960, 5686336, 7107920, 14215840, 28431680]

約数ペア:

[(1, 28431680), (2, 14215840), (4, 7107920), (5, 5686336), (8, 3553960), (10, 2843168), (16, 1776980), (20, 1421584), (23, 1236160), (32, 888490), (40, 710792), (46, 618080), (64, 444245), (80, 355396), (92, 309040), (115, 247232), (160, 177698), (184, 154520), (230, 123616), (320, 88849), (368, 77260), (460, 61808), (736, 38630), (920, 30904), (1472, 19315), (1840, 15452), (3680, 7726), (3863, 7360)]