204042040

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{108533}}^1$

素因数の和:108591

約数の個数: 32

約数和(自身を含む): 468866880

約数和(自身を除く): 264824840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 108533, 217066, 434132, 542665, 868264, 1085330, 2170660, 4341320, 5101051, 10202102, 20404204, 25505255, 40808408, 51010510, 102021020, 204042040]

約数ペア:

[(1, 204042040), (2, 102021020), (4, 51010510), (5, 40808408), (8, 25505255), (10, 20404204), (20, 10202102), (40, 5101051), (47, 4341320), (94, 2170660), (188, 1085330), (235, 868264), (376, 542665), (470, 434132), (940, 217066), (1880, 108533)]