39960625

素因数分解:

$5^4\times {\mathrm{17}}^1\times {\mathrm{3761}}^1$

素因数の和:3798

約数の個数: 20

約数和(自身を含む): 52886196

約数和(自身を除く): 12925571

約数列:

[1, 5, 17, 25, 85, 125, 425, 625, 2125, 3761, 10625, 18805, 63937, 94025, 319685, 470125, 1598425, 2350625, 7992125, 39960625]

約数ペア:

[(1, 39960625), (5, 7992125), (17, 2350625), (25, 1598425), (85, 470125), (125, 319685), (425, 94025), (625, 63937), (2125, 18805), (3761, 10625)]