51558640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{4003}}^1$

素因数の和:4046

約数の個数: 80

約数和(自身を含む): 142990848

約数和(自身を除く): 91432208

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 56, 70, 80, 92, 112, 115, 140, 161, 184, 230, 280, 322, 368, 460, 560, 644, 805, 920, 1288, 1610, 1840, 2576, 3220, 4003, 6440, 8006, 12880, 16012, 20015, 28021, 32024, 40030, 56042, 64048, 80060, 92069, 112084, 140105, 160120, 184138, 224168, 280210, 320240, 368276, 448336, 460345, 560420, 644483, 736552, 920690, 1120840, 1288966, 1473104, 1841380, 2241680, 2577932, 3222415, 3682760, 5155864, 6444830, 7365520, 10311728, 12889660, 25779320, 51558640]

約数ペア:

[(1, 51558640), (2, 25779320), (4, 12889660), (5, 10311728), (7, 7365520), (8, 6444830), (10, 5155864), (14, 3682760), (16, 3222415), (20, 2577932), (23, 2241680), (28, 1841380), (35, 1473104), (40, 1288966), (46, 1120840), (56, 920690), (70, 736552), (80, 644483), (92, 560420), (112, 460345), (115, 448336), (140, 368276), (161, 320240), (184, 280210), (230, 224168), (280, 184138), (322, 160120), (368, 140105), (460, 112084), (560, 92069), (644, 80060), (805, 64048), (920, 56042), (1288, 40030), (1610, 32024), (1840, 28021), (2576, 20015), (3220, 16012), (4003, 12880), (6440, 8006)]