12288680

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{4327}}^1$

素因数の和:4409

約数の個数: 32

約数和(自身を含む): 28045440

約数和(自身を除く): 15756760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 4327, 8654, 17308, 21635, 34616, 43270, 86540, 173080, 307217, 614434, 1228868, 1536085, 2457736, 3072170, 6144340, 12288680]

約数ペア:

[(1, 12288680), (2, 6144340), (4, 3072170), (5, 2457736), (8, 1536085), (10, 1228868), (20, 614434), (40, 307217), (71, 173080), (142, 86540), (284, 43270), (355, 34616), (568, 21635), (710, 17308), (1420, 8654), (2840, 4327)]