145552720

素因数分解:

$2^4\times 5^1\times {\mathrm{1819409}}^1$

素因数の和:1819422

約数の個数: 20

約数和(自身を含む): 338410260

約数和(自身を除く): 192857540

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1819409, 3638818, 7277636, 9097045, 14555272, 18194090, 29110544, 36388180, 72776360, 145552720]

約数ペア:

[(1, 145552720), (2, 72776360), (4, 36388180), (5, 29110544), (8, 18194090), (10, 14555272), (16, 9097045), (20, 7277636), (40, 3638818), (80, 1819409)]