2050871960

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1653929}}^1$

素因数の和:1653971

約数の個数: 32

約数和(自身を含む): 4763318400

約数和(自身を除く): 2712446440

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 1653929, 3307858, 6615716, 8269645, 13231432, 16539290, 33078580, 51271799, 66157160, 102543598, 205087196, 256358995, 410174392, 512717990, 1025435980, 2050871960]

約数ペア:

[(1, 2050871960), (2, 1025435980), (4, 512717990), (5, 410174392), (8, 256358995), (10, 205087196), (20, 102543598), (31, 66157160), (40, 51271799), (62, 33078580), (124, 16539290), (155, 13231432), (248, 8269645), (310, 6615716), (620, 3307858), (1240, 1653929)]