420880497680

素因数分解:

$2^4\times 5^1\times {\mathrm{461}}^1\times {\mathrm{11412161}}^1$

素因数の和:11412635

約数の個数: 40

約数和(自身を含む): 980669904984

約数和(自身を除く): 559789407304

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 461, 922, 1844, 2305, 3688, 4610, 7376, 9220, 18440, 36880, 11412161, 22824322, 45648644, 57060805, 91297288, 114121610, 182594576, 228243220, 456486440, 912972880, 5261006221, 10522012442, 21044024884, 26305031105, 42088049768, 52610062210, 84176099536, 105220124420, 210440248840, 420880497680]

約数ペア:

[(1, 420880497680), (2, 210440248840), (4, 105220124420), (5, 84176099536), (8, 52610062210), (10, 42088049768), (16, 26305031105), (20, 21044024884), (40, 10522012442), (80, 5261006221), (461, 912972880), (922, 456486440), (1844, 228243220), (2305, 182594576), (3688, 114121610), (4610, 91297288), (7376, 57060805), (9220, 45648644), (18440, 22824322), (36880, 11412161)]