2577236440

素因数分解:

$2^3\times 5^1\times {\mathrm{4643}}^1\times {\mathrm{13877}}^1$

素因数の和:18531

約数の個数: 32

約数和(自身を含む): 5800448880

約数和(自身を除く): 3223212440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4643, 9286, 13877, 18572, 23215, 27754, 37144, 46430, 55508, 69385, 92860, 111016, 138770, 185720, 277540, 555080, 64430911, 128861822, 257723644, 322154555, 515447288, 644309110, 1288618220, 2577236440]

約数ペア:

[(1, 2577236440), (2, 1288618220), (4, 644309110), (5, 515447288), (8, 322154555), (10, 257723644), (20, 128861822), (40, 64430911), (4643, 555080), (9286, 277540), (13877, 185720), (18572, 138770), (23215, 111016), (27754, 92860), (37144, 69385), (46430, 55508)]