25368231040

素因数分解:

$2^7\times 5^1\times {\mathrm{61}}^1\times {\mathrm{649801}}^1$

素因数の和:649881

約数の個数: 64

約数和(自身を含む): 61640217720

約数和(自身を除く): 36271986680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 128, 160, 244, 305, 320, 488, 610, 640, 976, 1220, 1952, 2440, 3904, 4880, 7808, 9760, 19520, 39040, 649801, 1299602, 2599204, 3249005, 5198408, 6498010, 10396816, 12996020, 20793632, 25992040, 39637861, 41587264, 51984080, 79275722, 83174528, 103968160, 158551444, 198189305, 207936320, 317102888, 396378610, 415872640, 634205776, 792757220, 1268411552, 1585514440, 2536823104, 3171028880, 5073646208, 6342057760, 12684115520, 25368231040]

約数ペア:

[(1, 25368231040), (2, 12684115520), (4, 6342057760), (5, 5073646208), (8, 3171028880), (10, 2536823104), (16, 1585514440), (20, 1268411552), (32, 792757220), (40, 634205776), (61, 415872640), (64, 396378610), (80, 317102888), (122, 207936320), (128, 198189305), (160, 158551444), (244, 103968160), (305, 83174528), (320, 79275722), (488, 51984080), (610, 41587264), (640, 39637861), (976, 25992040), (1220, 20793632), (1952, 12996020), (2440, 10396816), (3904, 6498010), (4880, 5198408), (7808, 3249005), (9760, 2599204), (19520, 1299602), (39040, 649801)]