64921567180

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{359}}^1\times {\mathrm{192383}}^1$

素因数の和:192798

約数の個数: 48

約数和(自身を含む): 139624611840

約数和(自身を除く): 74703044660

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 359, 470, 718, 940, 1436, 1795, 3590, 7180, 16873, 33746, 67492, 84365, 168730, 192383, 337460, 384766, 769532, 961915, 1923830, 3847660, 9042001, 18084002, 36168004, 45210005, 69065497, 90420010, 138130994, 180840020, 276261988, 345327485, 690654970, 1381309940, 3246078359, 6492156718, 12984313436, 16230391795, 32460783590, 64921567180]

約数ペア:

[(1, 64921567180), (2, 32460783590), (4, 16230391795), (5, 12984313436), (10, 6492156718), (20, 3246078359), (47, 1381309940), (94, 690654970), (188, 345327485), (235, 276261988), (359, 180840020), (470, 138130994), (718, 90420010), (940, 69065497), (1436, 45210005), (1795, 36168004), (3590, 18084002), (7180, 9042001), (16873, 3847660), (33746, 1923830), (67492, 961915), (84365, 769532), (168730, 384766), (192383, 337460)]