2011940080

素因数分解:

$2^4\times 5^1\times {\mathrm{193}}^1\times {\mathrm{130307}}^1$

素因数の和:130513

約数の個数: 40

約数和(自身を含む): 4702033872

約数和(自身を除く): 2690093792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 193, 386, 772, 965, 1544, 1930, 3088, 3860, 7720, 15440, 130307, 260614, 521228, 651535, 1042456, 1303070, 2084912, 2606140, 5212280, 10424560, 25149251, 50298502, 100597004, 125746255, 201194008, 251492510, 402388016, 502985020, 1005970040, 2011940080]

約数ペア:

[(1, 2011940080), (2, 1005970040), (4, 502985020), (5, 402388016), (8, 251492510), (10, 201194008), (16, 125746255), (20, 100597004), (40, 50298502), (80, 25149251), (193, 10424560), (386, 5212280), (772, 2606140), (965, 2084912), (1544, 1303070), (1930, 1042456), (3088, 651535), (3860, 521228), (7720, 260614), (15440, 130307)]