201355580

素因数分解:

$2^2\times 5^1\times {\mathrm{461}}^1\times {\mathrm{21839}}^1$

素因数の和:22309

約数の個数: 24

約数和(自身を含む): 423783360

約数和(自身を除く): 222427780

約数列:

[1, 2, 4, 5, 10, 20, 461, 922, 1844, 2305, 4610, 9220, 21839, 43678, 87356, 109195, 218390, 436780, 10067779, 20135558, 40271116, 50338895, 100677790, 201355580]

約数ペア:

[(1, 201355580), (2, 100677790), (4, 50338895), (5, 40271116), (10, 20135558), (20, 10067779), (461, 436780), (922, 218390), (1844, 109195), (2305, 87356), (4610, 43678), (9220, 21839)]