38979760

素因数分解:

$2^4\times 5^1\times {\mathrm{487247}}^1$

素因数の和:487260

約数の個数: 20

約数和(自身を含む): 90628128

約数和(自身を除く): 51648368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 487247, 974494, 1948988, 2436235, 3897976, 4872470, 7795952, 9744940, 19489880, 38979760]

約数ペア:

[(1, 38979760), (2, 19489880), (4, 9744940), (5, 7795952), (8, 4872470), (10, 3897976), (16, 2436235), (20, 1948988), (40, 974494), (80, 487247)]