80547040

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{71917}}^1$

素因数の和:71939

約数の個数: 48

約数和(自身を含む): 217480032

約数和(自身を除く): 136932992

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 71917, 143834, 287668, 359585, 503419, 575336, 719170, 1006838, 1150672, 1438340, 2013676, 2301344, 2517095, 2876680, 4027352, 5034190, 5753360, 8054704, 10068380, 11506720, 16109408, 20136760, 40273520, 80547040]

約数ペア:

[(1, 80547040), (2, 40273520), (4, 20136760), (5, 16109408), (7, 11506720), (8, 10068380), (10, 8054704), (14, 5753360), (16, 5034190), (20, 4027352), (28, 2876680), (32, 2517095), (35, 2301344), (40, 2013676), (56, 1438340), (70, 1150672), (80, 1006838), (112, 719170), (140, 575336), (160, 503419), (224, 359585), (280, 287668), (560, 143834), (1120, 71917)]