127645640

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{23293}}^1$

素因数の和:23441

約数の個数: 32

約数和(自身を含む): 289311480

約数和(自身を除く): 161665840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 548, 685, 1096, 1370, 2740, 5480, 23293, 46586, 93172, 116465, 186344, 232930, 465860, 931720, 3191141, 6382282, 12764564, 15955705, 25529128, 31911410, 63822820, 127645640]

約数ペア:

[(1, 127645640), (2, 63822820), (4, 31911410), (5, 25529128), (8, 15955705), (10, 12764564), (20, 6382282), (40, 3191141), (137, 931720), (274, 465860), (548, 232930), (685, 186344), (1096, 116465), (1370, 93172), (2740, 46586), (5480, 23293)]