8987020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{2791}}^1$

素因数の和:2830

約数の個数: 48

約数和(自身を含む): 22514688

約数和(自身を除く): 13527668

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 2791, 3220, 5582, 11164, 13955, 19537, 27910, 39074, 55820, 64193, 78148, 97685, 128386, 195370, 256772, 320965, 390740, 449351, 641930, 898702, 1283860, 1797404, 2246755, 4493510, 8987020]

約数ペア:

[(1, 8987020), (2, 4493510), (4, 2246755), (5, 1797404), (7, 1283860), (10, 898702), (14, 641930), (20, 449351), (23, 390740), (28, 320965), (35, 256772), (46, 195370), (70, 128386), (92, 97685), (115, 78148), (140, 64193), (161, 55820), (230, 39074), (322, 27910), (460, 19537), (644, 13955), (805, 11164), (1610, 5582), (2791, 3220)]