210965136680

素因数分解:

$2^3\times 5^1\times {\mathrm{5274128417}}^1$

素因数の和:5274128428

約数の個数: 16

約数和(自身を含む): 474671557620

約数和(自身を除く): 263706420940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5274128417, 10548256834, 21096513668, 26370642085, 42193027336, 52741284170, 105482568340, 210965136680]

約数ペア:

[(1, 210965136680), (2, 105482568340), (4, 52741284170), (5, 42193027336), (8, 26370642085), (10, 21096513668), (20, 10548256834), (40, 5274128417)]