81625405120

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{36439913}}^1$

素因数の和:36439937

約数の個数: 56

約数和(自身を含む): 222137715744

約数和(自身を除く): 140512310624

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 36439913, 72879826, 145759652, 182199565, 255079391, 291519304, 364399130, 510158782, 583038608, 728798260, 1020317564, 1166077216, 1275396955, 1457596520, 2040635128, 2332154432, 2550793910, 2915193040, 4081270256, 5101587820, 5830386080, 8162540512, 10203175640, 11660772160, 16325081024, 20406351280, 40812702560, 81625405120]

約数ペア:

[(1, 81625405120), (2, 40812702560), (4, 20406351280), (5, 16325081024), (7, 11660772160), (8, 10203175640), (10, 8162540512), (14, 5830386080), (16, 5101587820), (20, 4081270256), (28, 2915193040), (32, 2550793910), (35, 2332154432), (40, 2040635128), (56, 1457596520), (64, 1275396955), (70, 1166077216), (80, 1020317564), (112, 728798260), (140, 583038608), (160, 510158782), (224, 364399130), (280, 291519304), (320, 255079391), (448, 182199565), (560, 145759652), (1120, 72879826), (2240, 36439913)]