39996770

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{15809}}^1$

素因数の和:15850

約数の個数: 32

約数和(自身を含む): 81959040

約数和(自身を除く): 41962270

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 110, 115, 230, 253, 506, 1265, 2530, 15809, 31618, 79045, 158090, 173899, 347798, 363607, 727214, 869495, 1738990, 1818035, 3636070, 3999677, 7999354, 19998385, 39996770]

約数ペア:

[(1, 39996770), (2, 19998385), (5, 7999354), (10, 3999677), (11, 3636070), (22, 1818035), (23, 1738990), (46, 869495), (55, 727214), (110, 363607), (115, 347798), (230, 173899), (253, 158090), (506, 79045), (1265, 31618), (2530, 15809)]