90729640

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{42797}}^1$

素因数の和:42861

約数の個数: 32

約数和(自身を含む): 207998280

約数和(自身を除く): 117268640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 42797, 85594, 171188, 213985, 342376, 427970, 855940, 1711880, 2268241, 4536482, 9072964, 11341205, 18145928, 22682410, 45364820, 90729640]

約数ペア:

[(1, 90729640), (2, 45364820), (4, 22682410), (5, 18145928), (8, 11341205), (10, 9072964), (20, 4536482), (40, 2268241), (53, 1711880), (106, 855940), (212, 427970), (265, 342376), (424, 213985), (530, 171188), (1060, 85594), (2120, 42797)]