918561680

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{675413}}^1$

素因数の和:675443

約数の個数: 40

約数和(自身を含む): 2261286072

約数和(自身を除く): 1342724392

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 675413, 1350826, 2701652, 3377065, 5403304, 6754130, 10806608, 11482021, 13508260, 22964042, 27016520, 45928084, 54033040, 57410105, 91856168, 114820210, 183712336, 229640420, 459280840, 918561680]

約数ペア:

[(1, 918561680), (2, 459280840), (4, 229640420), (5, 183712336), (8, 114820210), (10, 91856168), (16, 57410105), (17, 54033040), (20, 45928084), (34, 27016520), (40, 22964042), (68, 13508260), (80, 11482021), (85, 10806608), (136, 6754130), (170, 5403304), (272, 3377065), (340, 2701652), (680, 1350826), (1360, 675413)]