51958120

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{701}}^1$

素因数の和:838

約数の個数: 64

約数和(自身を含む): 125096400

約数和(自身を除く): 73138280

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 109, 136, 170, 218, 340, 436, 545, 680, 701, 872, 1090, 1402, 1853, 2180, 2804, 3505, 3706, 4360, 5608, 7010, 7412, 9265, 11917, 14020, 14824, 18530, 23834, 28040, 37060, 47668, 59585, 74120, 76409, 95336, 119170, 152818, 238340, 305636, 382045, 476680, 611272, 764090, 1298953, 1528180, 2597906, 3056360, 5195812, 6494765, 10391624, 12989530, 25979060, 51958120]

約数ペア:

[(1, 51958120), (2, 25979060), (4, 12989530), (5, 10391624), (8, 6494765), (10, 5195812), (17, 3056360), (20, 2597906), (34, 1528180), (40, 1298953), (68, 764090), (85, 611272), (109, 476680), (136, 382045), (170, 305636), (218, 238340), (340, 152818), (436, 119170), (545, 95336), (680, 76409), (701, 74120), (872, 59585), (1090, 47668), (1402, 37060), (1853, 28040), (2180, 23834), (2804, 18530), (3505, 14824), (3706, 14020), (4360, 11917), (5608, 9265), (7010, 7412)]