1640975090

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2857}}^1\times {\mathrm{3023}}^1$

素因数の和:5906

約数の個数: 32

約数和(自身を含む): 3111333120

約数和(自身を除く): 1470358030

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 2857, 3023, 5714, 6046, 14285, 15115, 28570, 30230, 54283, 57437, 108566, 114874, 271415, 287185, 542830, 574370, 8636711, 17273422, 43183555, 86367110, 164097509, 328195018, 820487545, 1640975090]

約数ペア:

[(1, 1640975090), (2, 820487545), (5, 328195018), (10, 164097509), (19, 86367110), (38, 43183555), (95, 17273422), (190, 8636711), (2857, 574370), (3023, 542830), (5714, 287185), (6046, 271415), (14285, 114874), (15115, 108566), (28570, 57437), (30230, 54283)]