25612500

素因数分解:

$2^2\times 3^1\times 5^5\times {\mathrm{683}}^1$

素因数の和:715

約数の個数: 72

約数和(自身を含む): 74807712

約数和(自身を除く): 49195212

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 125, 150, 250, 300, 375, 500, 625, 683, 750, 1250, 1366, 1500, 1875, 2049, 2500, 2732, 3125, 3415, 3750, 4098, 6250, 6830, 7500, 8196, 9375, 10245, 12500, 13660, 17075, 18750, 20490, 34150, 37500, 40980, 51225, 68300, 85375, 102450, 170750, 204900, 256125, 341500, 426875, 512250, 853750, 1024500, 1280625, 1707500, 2134375, 2561250, 4268750, 5122500, 6403125, 8537500, 12806250, 25612500]

約数ペア:

[(1, 25612500), (2, 12806250), (3, 8537500), (4, 6403125), (5, 5122500), (6, 4268750), (10, 2561250), (12, 2134375), (15, 1707500), (20, 1280625), (25, 1024500), (30, 853750), (50, 512250), (60, 426875), (75, 341500), (100, 256125), (125, 204900), (150, 170750), (250, 102450), (300, 85375), (375, 68300), (500, 51225), (625, 40980), (683, 37500), (750, 34150), (1250, 20490), (1366, 18750), (1500, 17075), (1875, 13660), (2049, 12500), (2500, 10245), (2732, 9375), (3125, 8196), (3415, 7500), (3750, 6830), (4098, 6250)]