25306960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{45191}}^1$

素因数の和:45211

約数の個数: 40

約数和(自身を含む): 67245696

約数和(自身を除く): 41938736

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 45191, 90382, 180764, 225955, 316337, 361528, 451910, 632674, 723056, 903820, 1265348, 1581685, 1807640, 2530696, 3163370, 3615280, 5061392, 6326740, 12653480, 25306960]

約数ペア:

[(1, 25306960), (2, 12653480), (4, 6326740), (5, 5061392), (7, 3615280), (8, 3163370), (10, 2530696), (14, 1807640), (16, 1581685), (20, 1265348), (28, 903820), (35, 723056), (40, 632674), (56, 451910), (70, 361528), (80, 316337), (112, 225955), (140, 180764), (280, 90382), (560, 45191)]