72912040

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{38783}}^1$

素因数の和:38841

約数の個数: 32

約数和(自身を含む): 167546880

約数和(自身を除く): 94634840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 38783, 77566, 155132, 193915, 310264, 387830, 775660, 1551320, 1822801, 3645602, 7291204, 9114005, 14582408, 18228010, 36456020, 72912040]

約数ペア:

[(1, 72912040), (2, 36456020), (4, 18228010), (5, 14582408), (8, 9114005), (10, 7291204), (20, 3645602), (40, 1822801), (47, 1551320), (94, 775660), (188, 387830), (235, 310264), (376, 193915), (470, 155132), (940, 77566), (1880, 38783)]