2015394520

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{883}}^1\times {\mathrm{1327}}^1$

素因数の和:2264

約数の個数: 64

約数和(自身を含む): 4648849920

約数和(自身を除く): 2633455400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 883, 1327, 1720, 1766, 2654, 3532, 4415, 5308, 6635, 7064, 8830, 10616, 13270, 17660, 26540, 35320, 37969, 53080, 57061, 75938, 114122, 151876, 189845, 228244, 285305, 303752, 379690, 456488, 570610, 759380, 1141220, 1171741, 1518760, 2282440, 2343482, 4686964, 5858705, 9373928, 11717410, 23434820, 46869640, 50384863, 100769726, 201539452, 251924315, 403078904, 503848630, 1007697260, 2015394520]

約数ペア:

[(1, 2015394520), (2, 1007697260), (4, 503848630), (5, 403078904), (8, 251924315), (10, 201539452), (20, 100769726), (40, 50384863), (43, 46869640), (86, 23434820), (172, 11717410), (215, 9373928), (344, 5858705), (430, 4686964), (860, 2343482), (883, 2282440), (1327, 1518760), (1720, 1171741), (1766, 1141220), (2654, 759380), (3532, 570610), (4415, 456488), (5308, 379690), (6635, 303752), (7064, 285305), (8830, 228244), (10616, 189845), (13270, 151876), (17660, 114122), (26540, 75938), (35320, 57061), (37969, 53080)]