19913200

素因数分解:

$2^4\times 5^2\times {\mathrm{49783}}^1$

素因数の和:49801

約数の個数: 30

約数和(自身を含む): 47842424

約数和(自身を除く): 27929224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 49783, 99566, 199132, 248915, 398264, 497830, 796528, 995660, 1244575, 1991320, 2489150, 3982640, 4978300, 9956600, 19913200]

約数ペア:

[(1, 19913200), (2, 9956600), (4, 4978300), (5, 3982640), (8, 2489150), (10, 1991320), (16, 1244575), (20, 995660), (25, 796528), (40, 497830), (50, 398264), (80, 248915), (100, 199132), (200, 99566), (400, 49783)]