245872040

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{130783}}^1$

素因数の和:130841

約数の個数: 32

約数和(自身を含む): 564986880

約数和(自身を除く): 319114840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 130783, 261566, 523132, 653915, 1046264, 1307830, 2615660, 5231320, 6146801, 12293602, 24587204, 30734005, 49174408, 61468010, 122936020, 245872040]

約数ペア:

[(1, 245872040), (2, 122936020), (4, 61468010), (5, 49174408), (8, 30734005), (10, 24587204), (20, 12293602), (40, 6146801), (47, 5231320), (94, 2615660), (188, 1307830), (235, 1046264), (376, 653915), (470, 523132), (940, 261566), (1880, 130783)]