3220040

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1019}}^1$

素因数の和:1109

約数の個数: 32

約数和(自身を含む): 7344000

約数和(自身を除く): 4123960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1019, 1580, 2038, 3160, 4076, 5095, 8152, 10190, 20380, 40760, 80501, 161002, 322004, 402505, 644008, 805010, 1610020, 3220040]

約数ペア:

[(1, 3220040), (2, 1610020), (4, 805010), (5, 644008), (8, 402505), (10, 322004), (20, 161002), (40, 80501), (79, 40760), (158, 20380), (316, 10190), (395, 8152), (632, 5095), (790, 4076), (1019, 3160), (1580, 2038)]