55921567220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{439}}^1\times {\mathrm{335221}}^1$

素因数の和:335688

約数の個数: 48

約数和(自身を含む): 123898051200

約数和(自身を除く): 67976483980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 439, 878, 1756, 2195, 4390, 8341, 8780, 16682, 33364, 41705, 83410, 166820, 335221, 670442, 1340884, 1676105, 3352210, 6369199, 6704420, 12738398, 25476796, 31845995, 63691990, 127383980, 147162019, 294324038, 588648076, 735810095, 1471620190, 2796078361, 2943240380, 5592156722, 11184313444, 13980391805, 27960783610, 55921567220]

約数ペア:

[(1, 55921567220), (2, 27960783610), (4, 13980391805), (5, 11184313444), (10, 5592156722), (19, 2943240380), (20, 2796078361), (38, 1471620190), (76, 735810095), (95, 588648076), (190, 294324038), (380, 147162019), (439, 127383980), (878, 63691990), (1756, 31845995), (2195, 25476796), (4390, 12738398), (8341, 6704420), (8780, 6369199), (16682, 3352210), (33364, 1676105), (41705, 1340884), (83410, 670442), (166820, 335221)]