126284120

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{73421}}^1$

素因数の和:73475

約数の個数: 32

約数和(自身を含む): 290751120

約数和(自身を除く): 164467000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 73421, 146842, 293684, 367105, 587368, 734210, 1468420, 2936840, 3157103, 6314206, 12628412, 15785515, 25256824, 31571030, 63142060, 126284120]

約数ペア:

[(1, 126284120), (2, 63142060), (4, 31571030), (5, 25256824), (8, 15785515), (10, 12628412), (20, 6314206), (40, 3157103), (43, 2936840), (86, 1468420), (172, 734210), (215, 587368), (344, 367105), (430, 293684), (860, 146842), (1720, 73421)]