25464220

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{281}}^1$

素因数の和:510

約数の個数: 48

約数和(自身を含む): 56282688

約数和(自身を除く): 30818468

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 197, 230, 281, 394, 460, 562, 788, 985, 1124, 1405, 1970, 2810, 3940, 4531, 5620, 6463, 9062, 12926, 18124, 22655, 25852, 32315, 45310, 55357, 64630, 90620, 110714, 129260, 221428, 276785, 553570, 1107140, 1273211, 2546422, 5092844, 6366055, 12732110, 25464220]

約数ペア:

[(1, 25464220), (2, 12732110), (4, 6366055), (5, 5092844), (10, 2546422), (20, 1273211), (23, 1107140), (46, 553570), (92, 276785), (115, 221428), (197, 129260), (230, 110714), (281, 90620), (394, 64630), (460, 55357), (562, 45310), (788, 32315), (985, 25852), (1124, 22655), (1405, 18124), (1970, 12926), (2810, 9062), (3940, 6463), (4531, 5620)]