9941840

素因数分解:

$2^4\times 5^1\times {\mathrm{151}}^1\times {\mathrm{823}}^1$

素因数の和:987

約数の個数: 40

約数和(自身を含む): 23296128

約数和(自身を除く): 13354288

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 151, 302, 604, 755, 823, 1208, 1510, 1646, 2416, 3020, 3292, 4115, 6040, 6584, 8230, 12080, 13168, 16460, 32920, 65840, 124273, 248546, 497092, 621365, 994184, 1242730, 1988368, 2485460, 4970920, 9941840]

約数ペア:

[(1, 9941840), (2, 4970920), (4, 2485460), (5, 1988368), (8, 1242730), (10, 994184), (16, 621365), (20, 497092), (40, 248546), (80, 124273), (151, 65840), (302, 32920), (604, 16460), (755, 13168), (823, 12080), (1208, 8230), (1510, 6584), (1646, 6040), (2416, 4115), (3020, 3292)]