12497440

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{4111}}^1$

素因数の和:4145

約数の個数: 48

約数和(自身を含む): 31086720

約数和(自身を除く): 18589280

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 4111, 8222, 16444, 20555, 32888, 41110, 65776, 78109, 82220, 131552, 156218, 164440, 312436, 328880, 390545, 624872, 657760, 781090, 1249744, 1562180, 2499488, 3124360, 6248720, 12497440]

約数ペア:

[(1, 12497440), (2, 6248720), (4, 3124360), (5, 2499488), (8, 1562180), (10, 1249744), (16, 781090), (19, 657760), (20, 624872), (32, 390545), (38, 328880), (40, 312436), (76, 164440), (80, 156218), (95, 131552), (152, 82220), (160, 78109), (190, 65776), (304, 41110), (380, 32888), (608, 20555), (760, 16444), (1520, 8222), (3040, 4111)]