26401840

素因数分解:

$2^4\times 5^1\times {\mathrm{401}}^1\times {\mathrm{823}}^1$

素因数の和:1237

約数の個数: 40

約数和(自身を含む): 61612128

約数和(自身を除く): 35210288

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 401, 802, 823, 1604, 1646, 2005, 3208, 3292, 4010, 4115, 6416, 6584, 8020, 8230, 13168, 16040, 16460, 32080, 32920, 65840, 330023, 660046, 1320092, 1650115, 2640184, 3300230, 5280368, 6600460, 13200920, 26401840]

約数ペア:

[(1, 26401840), (2, 13200920), (4, 6600460), (5, 5280368), (8, 3300230), (10, 2640184), (16, 1650115), (20, 1320092), (40, 660046), (80, 330023), (401, 65840), (802, 32920), (823, 32080), (1604, 16460), (1646, 16040), (2005, 13168), (3208, 8230), (3292, 8020), (4010, 6584), (4115, 6416)]