68713720

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{12539}}^1$

素因数の和:12687

約数の個数: 32

約数和(自身を含む): 155746800

約数和(自身を除く): 87033080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 548, 685, 1096, 1370, 2740, 5480, 12539, 25078, 50156, 62695, 100312, 125390, 250780, 501560, 1717843, 3435686, 6871372, 8589215, 13742744, 17178430, 34356860, 68713720]

約数ペア:

[(1, 68713720), (2, 34356860), (4, 17178430), (5, 13742744), (8, 8589215), (10, 6871372), (20, 3435686), (40, 1717843), (137, 501560), (274, 250780), (548, 125390), (685, 100312), (1096, 62695), (1370, 50156), (2740, 25078), (5480, 12539)]