40159280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{71713}}^1$

素因数の和:71733

約数の個数: 40

約数和(自身を含む): 106710432

約数和(自身を除く): 66551152

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 71713, 143426, 286852, 358565, 501991, 573704, 717130, 1003982, 1147408, 1434260, 2007964, 2509955, 2868520, 4015928, 5019910, 5737040, 8031856, 10039820, 20079640, 40159280]

約数ペア:

[(1, 40159280), (2, 20079640), (4, 10039820), (5, 8031856), (7, 5737040), (8, 5019910), (10, 4015928), (14, 2868520), (16, 2509955), (20, 2007964), (28, 1434260), (35, 1147408), (40, 1003982), (56, 717130), (70, 573704), (80, 501991), (112, 358565), (140, 286852), (280, 143426), (560, 71713)]