25207520

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{12119}}^1$

素因数の和:12147

約数の個数: 48

約数和(自身を含む): 64139040

約数和(自身を除く): 38931520

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 12119, 24238, 48476, 60595, 96952, 121190, 157547, 193904, 242380, 315094, 387808, 484760, 630188, 787735, 969520, 1260376, 1575470, 1939040, 2520752, 3150940, 5041504, 6301880, 12603760, 25207520]

約数ペア:

[(1, 25207520), (2, 12603760), (4, 6301880), (5, 5041504), (8, 3150940), (10, 2520752), (13, 1939040), (16, 1575470), (20, 1260376), (26, 969520), (32, 787735), (40, 630188), (52, 484760), (65, 387808), (80, 315094), (104, 242380), (130, 193904), (160, 157547), (208, 121190), (260, 96952), (416, 60595), (520, 48476), (1040, 24238), (2080, 12119)]