51704380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{28409}}^1$

素因数の和:28438

約数の個数: 48

約数和(自身を含む): 133640640

約数和(自身を除く): 81936260

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 28409, 56818, 113636, 142045, 198863, 284090, 369317, 397726, 568180, 738634, 795452, 994315, 1477268, 1846585, 1988630, 2585219, 3693170, 3977260, 5170438, 7386340, 10340876, 12926095, 25852190, 51704380]

約数ペア:

[(1, 51704380), (2, 25852190), (4, 12926095), (5, 10340876), (7, 7386340), (10, 5170438), (13, 3977260), (14, 3693170), (20, 2585219), (26, 1988630), (28, 1846585), (35, 1477268), (52, 994315), (65, 795452), (70, 738634), (91, 568180), (130, 397726), (140, 369317), (182, 284090), (260, 198863), (364, 142045), (455, 113636), (910, 56818), (1820, 28409)]