25779320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{4003}}^1$

素因数の和:4044

約数の個数: 64

約数和(自身を含む): 69189120

約数和(自身を除く): 43409800

約数列:

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

約数ペア:

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