161878040

素因数分解:

$2^3\times 5^1\times {\mathrm{151}}^1\times {\mathrm{26801}}^1$

素因数の和:26963

約数の個数: 32

約数和(自身を含む): 366651360

約数和(自身を除く): 204773320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 151, 302, 604, 755, 1208, 1510, 3020, 6040, 26801, 53602, 107204, 134005, 214408, 268010, 536020, 1072040, 4046951, 8093902, 16187804, 20234755, 32375608, 40469510, 80939020, 161878040]

約数ペア:

[(1, 161878040), (2, 80939020), (4, 40469510), (5, 32375608), (8, 20234755), (10, 16187804), (20, 8093902), (40, 4046951), (151, 1072040), (302, 536020), (604, 268010), (755, 214408), (1208, 134005), (1510, 107204), (3020, 53602), (6040, 26801)]