25643601980

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{15447953}}^1$

素因数の和:15448045

約数の個数: 24

約数和(自身を含む): 54500381712

約数和(自身を除く): 28856779732

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 15447953, 30895906, 61791812, 77239765, 154479530, 308959060, 1282180099, 2564360198, 5128720396, 6410900495, 12821800990, 25643601980]

約数ペア:

[(1, 25643601980), (2, 12821800990), (4, 6410900495), (5, 5128720396), (10, 2564360198), (20, 1282180099), (83, 308959060), (166, 154479530), (332, 77239765), (415, 61791812), (830, 30895906), (1660, 15447953)]