205059280

素因数分解:

$2^4\times 5^1\times {\mathrm{127}}^1\times {\mathrm{20183}}^1$

素因数の和:20323

約数の個数: 40

約数和(自身を含む): 480540672

約数和(自身を除く): 275481392

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 127, 254, 508, 635, 1016, 1270, 2032, 2540, 5080, 10160, 20183, 40366, 80732, 100915, 161464, 201830, 322928, 403660, 807320, 1614640, 2563241, 5126482, 10252964, 12816205, 20505928, 25632410, 41011856, 51264820, 102529640, 205059280]

約数ペア:

[(1, 205059280), (2, 102529640), (4, 51264820), (5, 41011856), (8, 25632410), (10, 20505928), (16, 12816205), (20, 10252964), (40, 5126482), (80, 2563241), (127, 1614640), (254, 807320), (508, 403660), (635, 322928), (1016, 201830), (1270, 161464), (2032, 100915), (2540, 80732), (5080, 40366), (10160, 20183)]