2013102020

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{179}}^1\times {\mathrm{7703}}^1$

素因数の和:7964

約数の個数: 48

約数和(自身を含む): 4309925760

約数和(自身を除く): 2296823740

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 179, 292, 358, 365, 716, 730, 895, 1460, 1790, 3580, 7703, 13067, 15406, 26134, 30812, 38515, 52268, 65335, 77030, 130670, 154060, 261340, 562319, 1124638, 1378837, 2249276, 2757674, 2811595, 5515348, 5623190, 6894185, 11246380, 13788370, 27576740, 100655101, 201310202, 402620404, 503275505, 1006551010, 2013102020]

約数ペア:

[(1, 2013102020), (2, 1006551010), (4, 503275505), (5, 402620404), (10, 201310202), (20, 100655101), (73, 27576740), (146, 13788370), (179, 11246380), (292, 6894185), (358, 5623190), (365, 5515348), (716, 2811595), (730, 2757674), (895, 2249276), (1460, 1378837), (1790, 1124638), (3580, 562319), (7703, 261340), (13067, 154060), (15406, 130670), (26134, 77030), (30812, 65335), (38515, 52268)]