39721690

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{10159}}^1$

素因数の和:10206

約数の個数: 32

約数和(自身を含む): 79004160

約数和(自身を除く): 39282470

約数列:

[1, 2, 5, 10, 17, 23, 34, 46, 85, 115, 170, 230, 391, 782, 1955, 3910, 10159, 20318, 50795, 101590, 172703, 233657, 345406, 467314, 863515, 1168285, 1727030, 2336570, 3972169, 7944338, 19860845, 39721690]

約数ペア:

[(1, 39721690), (2, 19860845), (5, 7944338), (10, 3972169), (17, 2336570), (23, 1727030), (34, 1168285), (46, 863515), (85, 467314), (115, 345406), (170, 233657), (230, 172703), (391, 101590), (782, 50795), (1955, 20318), (3910, 10159)]