178580090

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{503}}^1\times {\mathrm{2731}}^1$

素因数の和:3254

約数の個数: 32

約数和(自身を含む): 346985856

約数和(自身を除く): 168405766

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 503, 1006, 2515, 2731, 5030, 5462, 6539, 13078, 13655, 27310, 32695, 35503, 65390, 71006, 177515, 355030, 1373693, 2747386, 6868465, 13736930, 17858009, 35716018, 89290045, 178580090]

約数ペア:

[(1, 178580090), (2, 89290045), (5, 35716018), (10, 17858009), (13, 13736930), (26, 6868465), (65, 2747386), (130, 1373693), (503, 355030), (1006, 177515), (2515, 71006), (2731, 65390), (5030, 35503), (5462, 32695), (6539, 27310), (13078, 13655)]