339647920

素因数分解:

$2^4\times 5^1\times {\mathrm{4245599}}^1$

素因数の和:4245612

約数の個数: 20

約数和(自身を含む): 789681600

約数和(自身を除く): 450033680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 4245599, 8491198, 16982396, 21227995, 33964792, 42455990, 67929584, 84911980, 169823960, 339647920]

約数ペア:

[(1, 339647920), (2, 169823960), (4, 84911980), (5, 67929584), (8, 42455990), (10, 33964792), (16, 21227995), (20, 16982396), (40, 8491198), (80, 4245599)]