20151452560

素因数分解:

$2^4\times 5^1\times {\mathrm{1931}}^1\times {\mathrm{130447}}^1$

素因数の和:132391

約数の個数: 40

約数和(自身を含む): 46876749696

約数和(自身を除く): 26725297136

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1931, 3862, 7724, 9655, 15448, 19310, 30896, 38620, 77240, 130447, 154480, 260894, 521788, 652235, 1043576, 1304470, 2087152, 2608940, 5217880, 10435760, 251893157, 503786314, 1007572628, 1259465785, 2015145256, 2518931570, 4030290512, 5037863140, 10075726280, 20151452560]

約数ペア:

[(1, 20151452560), (2, 10075726280), (4, 5037863140), (5, 4030290512), (8, 2518931570), (10, 2015145256), (16, 1259465785), (20, 1007572628), (40, 503786314), (80, 251893157), (1931, 10435760), (3862, 5217880), (7724, 2608940), (9655, 2087152), (15448, 1304470), (19310, 1043576), (30896, 652235), (38620, 521788), (77240, 260894), (130447, 154480)]