2009156720

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{383}}^1\times {\mathrm{2851}}^1$

素因数の和:3270

約数の個数: 80

約数和(自身を含む): 4888829952

約数和(自身を除く): 2879673232

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 383, 460, 766, 920, 1532, 1840, 1915, 2851, 3064, 3830, 5702, 6128, 7660, 8809, 11404, 14255, 15320, 17618, 22808, 28510, 30640, 35236, 44045, 45616, 57020, 65573, 70472, 88090, 114040, 131146, 140944, 176180, 228080, 262292, 327865, 352360, 524584, 655730, 704720, 1049168, 1091933, 1311460, 2183866, 2622920, 4367732, 5245840, 5459665, 8735464, 10919330, 17470928, 21838660, 25114459, 43677320, 50228918, 87354640, 100457836, 125572295, 200915672, 251144590, 401831344, 502289180, 1004578360, 2009156720]

約数ペア:

[(1, 2009156720), (2, 1004578360), (4, 502289180), (5, 401831344), (8, 251144590), (10, 200915672), (16, 125572295), (20, 100457836), (23, 87354640), (40, 50228918), (46, 43677320), (80, 25114459), (92, 21838660), (115, 17470928), (184, 10919330), (230, 8735464), (368, 5459665), (383, 5245840), (460, 4367732), (766, 2622920), (920, 2183866), (1532, 1311460), (1840, 1091933), (1915, 1049168), (2851, 704720), (3064, 655730), (3830, 524584), (5702, 352360), (6128, 327865), (7660, 262292), (8809, 228080), (11404, 176180), (14255, 140944), (15320, 131146), (17618, 114040), (22808, 88090), (28510, 70472), (30640, 65573), (35236, 57020), (44045, 45616)]