13091140

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{191}}^1$

素因数の和:372

約数の個数: 48

約数和(自身を含む): 29030400

約数和(自身を除く): 15939260

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 149, 191, 230, 298, 382, 460, 596, 745, 764, 955, 1490, 1910, 2980, 3427, 3820, 4393, 6854, 8786, 13708, 17135, 17572, 21965, 28459, 34270, 43930, 56918, 68540, 87860, 113836, 142295, 284590, 569180, 654557, 1309114, 2618228, 3272785, 6545570, 13091140]

約数ペア:

[(1, 13091140), (2, 6545570), (4, 3272785), (5, 2618228), (10, 1309114), (20, 654557), (23, 569180), (46, 284590), (92, 142295), (115, 113836), (149, 87860), (191, 68540), (230, 56918), (298, 43930), (382, 34270), (460, 28459), (596, 21965), (745, 17572), (764, 17135), (955, 13708), (1490, 8786), (1910, 6854), (2980, 4393), (3427, 3820)]