205128645130

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{13241}}^1\times {\mathrm{91129}}^1$

素因数の和:104394

約数の個数: 32

約数和(自身を含む): 390984881040

約数和(自身を除く): 185856235910

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 13241, 26482, 66205, 91129, 132410, 182258, 225097, 450194, 455645, 911290, 1125485, 1549193, 2250970, 3098386, 7745965, 15491930, 1206639089, 2413278178, 6033195445, 12066390890, 20512864513, 41025729026, 102564322565, 205128645130]

約数ペア:

[(1, 205128645130), (2, 102564322565), (5, 41025729026), (10, 20512864513), (17, 12066390890), (34, 6033195445), (85, 2413278178), (170, 1206639089), (13241, 15491930), (26482, 7745965), (66205, 3098386), (91129, 2250970), (132410, 1549193), (182258, 1125485), (225097, 911290), (450194, 455645)]