13200920

素因数分解:

$2^3\times 5^1\times {\mathrm{401}}^1\times {\mathrm{823}}^1$

素因数の和:1235

約数の個数: 32

約数和(自身を含む): 29812320

約数和(自身を除く): 16611400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 401, 802, 823, 1604, 1646, 2005, 3208, 3292, 4010, 4115, 6584, 8020, 8230, 16040, 16460, 32920, 330023, 660046, 1320092, 1650115, 2640184, 3300230, 6600460, 13200920]

約数ペア:

[(1, 13200920), (2, 6600460), (4, 3300230), (5, 2640184), (8, 1650115), (10, 1320092), (20, 660046), (40, 330023), (401, 32920), (802, 16460), (823, 16040), (1604, 8230), (1646, 8020), (2005, 6584), (3208, 4115), (3292, 4010)]