20174552560

素因数分解:

$2^4\times 5^1\times {\mathrm{953}}^1\times {\mathrm{264619}}^1$

素因数の和:265585

約数の個数: 40

約数和(自身を含む): 46955231280

約数和(自身を除く): 26780678720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 953, 1906, 3812, 4765, 7624, 9530, 15248, 19060, 38120, 76240, 264619, 529238, 1058476, 1323095, 2116952, 2646190, 4233904, 5292380, 10584760, 21169520, 252181907, 504363814, 1008727628, 1260909535, 2017455256, 2521819070, 4034910512, 5043638140, 10087276280, 20174552560]

約数ペア:

[(1, 20174552560), (2, 10087276280), (4, 5043638140), (5, 4034910512), (8, 2521819070), (10, 2017455256), (16, 1260909535), (20, 1008727628), (40, 504363814), (80, 252181907), (953, 21169520), (1906, 10584760), (3812, 5292380), (4765, 4233904), (7624, 2646190), (9530, 2116952), (15248, 1323095), (19060, 1058476), (38120, 529238), (76240, 264619)]