2008120

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{823}}^1$

素因数の和:895

約数の個数: 32

約数和(自身を含む): 4597920

約数和(自身を除く): 2589800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 823, 1220, 1646, 2440, 3292, 4115, 6584, 8230, 16460, 32920, 50203, 100406, 200812, 251015, 401624, 502030, 1004060, 2008120]

約数ペア:

[(1, 2008120), (2, 1004060), (4, 502030), (5, 401624), (8, 251015), (10, 200812), (20, 100406), (40, 50203), (61, 32920), (122, 16460), (244, 8230), (305, 6584), (488, 4115), (610, 3292), (823, 2440), (1220, 1646)]