90907760

素因数分解:

$2^4\times 5^1\times {\mathrm{1063}}^1\times {\mathrm{1069}}^1$

素因数の和:2145

約数の個数: 40

約数和(自身を含む): 211757280

約数和(自身を除く): 120849520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1063, 1069, 2126, 2138, 4252, 4276, 5315, 5345, 8504, 8552, 10630, 10690, 17008, 17104, 21260, 21380, 42520, 42760, 85040, 85520, 1136347, 2272694, 4545388, 5681735, 9090776, 11363470, 18181552, 22726940, 45453880, 90907760]

約数ペア:

[(1, 90907760), (2, 45453880), (4, 22726940), (5, 18181552), (8, 11363470), (10, 9090776), (16, 5681735), (20, 4545388), (40, 2272694), (80, 1136347), (1063, 85520), (1069, 85040), (2126, 42760), (2138, 42520), (4252, 21380), (4276, 21260), (5315, 17104), (5345, 17008), (8504, 10690), (8552, 10630)]