12858815120

素因数分解:

$2^4\times 5^1\times {\mathrm{389}}^1\times {\mathrm{413201}}^1$

素因数の和:413603

約数の個数: 40

約数和(自身を含む): 29973673080

約数和(自身を除く): 17114857960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 389, 778, 1556, 1945, 3112, 3890, 6224, 7780, 15560, 31120, 413201, 826402, 1652804, 2066005, 3305608, 4132010, 6611216, 8264020, 16528040, 33056080, 160735189, 321470378, 642940756, 803675945, 1285881512, 1607351890, 2571763024, 3214703780, 6429407560, 12858815120]

約数ペア:

[(1, 12858815120), (2, 6429407560), (4, 3214703780), (5, 2571763024), (8, 1607351890), (10, 1285881512), (16, 803675945), (20, 642940756), (40, 321470378), (80, 160735189), (389, 33056080), (778, 16528040), (1556, 8264020), (1945, 6611216), (3112, 4132010), (3890, 3305608), (6224, 2066005), (7780, 1652804), (15560, 826402), (31120, 413201)]