66441640

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{44893}}^1$

素因数の和:44941

約数の個数: 32

約数和(自身を含む): 153537480

約数和(自身を除く): 87095840

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 44893, 89786, 179572, 224465, 359144, 448930, 897860, 1661041, 1795720, 3322082, 6644164, 8305205, 13288328, 16610410, 33220820, 66441640]

約数ペア:

[(1, 66441640), (2, 33220820), (4, 16610410), (5, 13288328), (8, 8305205), (10, 6644164), (20, 3322082), (37, 1795720), (40, 1661041), (74, 897860), (148, 448930), (185, 359144), (296, 224465), (370, 179572), (740, 89786), (1480, 44893)]