64527500

素因数分解:

$2^2\times 5^4\times {\mathrm{53}}^1\times {\mathrm{487}}^1$

素因数の和:564

約数の個数: 60

約数和(自身を含む): 144066384

約数和(自身を除く): 79538884

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 53, 100, 106, 125, 212, 250, 265, 487, 500, 530, 625, 974, 1060, 1250, 1325, 1948, 2435, 2500, 2650, 4870, 5300, 6625, 9740, 12175, 13250, 24350, 25811, 26500, 33125, 48700, 51622, 60875, 66250, 103244, 121750, 129055, 132500, 243500, 258110, 304375, 516220, 608750, 645275, 1217500, 1290550, 2581100, 3226375, 6452750, 12905500, 16131875, 32263750, 64527500]

約数ペア:

[(1, 64527500), (2, 32263750), (4, 16131875), (5, 12905500), (10, 6452750), (20, 3226375), (25, 2581100), (50, 1290550), (53, 1217500), (100, 645275), (106, 608750), (125, 516220), (212, 304375), (250, 258110), (265, 243500), (487, 132500), (500, 129055), (530, 121750), (625, 103244), (974, 66250), (1060, 60875), (1250, 51622), (1325, 48700), (1948, 33125), (2435, 26500), (2500, 25811), (2650, 24350), (4870, 13250), (5300, 12175), (6625, 9740)]