154691440

素因数分解:

$2^4\times 5^1\times {\mathrm{1933643}}^1$

素因数の和:1933656

約数の個数: 20

約数和(自身を含む): 359657784

約数和(自身を除く): 204966344

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1933643, 3867286, 7734572, 9668215, 15469144, 19336430, 30938288, 38672860, 77345720, 154691440]

約数ペア:

[(1, 154691440), (2, 77345720), (4, 38672860), (5, 30938288), (8, 19336430), (10, 15469144), (16, 9668215), (20, 7734572), (40, 3867286), (80, 1933643)]