64149920

素因数分解:

$2^5\times 5^1\times {\mathrm{71}}^1\times {\mathrm{5647}}^1$

素因数の和:5733

約数の個数: 48

約数和(自身を含む): 153715968

約数和(自身を除く): 89566048

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 71, 80, 142, 160, 284, 355, 568, 710, 1136, 1420, 2272, 2840, 5647, 5680, 11294, 11360, 22588, 28235, 45176, 56470, 90352, 112940, 180704, 225880, 400937, 451760, 801874, 903520, 1603748, 2004685, 3207496, 4009370, 6414992, 8018740, 12829984, 16037480, 32074960, 64149920]

約数ペア:

[(1, 64149920), (2, 32074960), (4, 16037480), (5, 12829984), (8, 8018740), (10, 6414992), (16, 4009370), (20, 3207496), (32, 2004685), (40, 1603748), (71, 903520), (80, 801874), (142, 451760), (160, 400937), (284, 225880), (355, 180704), (568, 112940), (710, 90352), (1136, 56470), (1420, 45176), (2272, 28235), (2840, 22588), (5647, 11360), (5680, 11294)]