208156965880

素因数分解:

$2^3\times 5^1\times {\mathrm{5203924147}}^1$

素因数の和:5203924158

約数の個数: 16

約数和(自身を含む): 468353173320

約数和(自身を除く): 260196207440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5203924147, 10407848294, 20815696588, 26019620735, 41631393176, 52039241470, 104078482940, 208156965880]

約数ペア:

[(1, 208156965880), (2, 104078482940), (4, 52039241470), (5, 41631393176), (8, 26019620735), (10, 20815696588), (20, 10407848294), (40, 5203924147)]