201861875

素因数分解:

$5^4\times {\mathrm{71}}^1\times {\mathrm{4549}}^1$

素因数の和:4640

約数の個数: 20

約数和(自身を含む): 255855600

約数和(自身を除く): 53993725

約数列:

[1, 5, 25, 71, 125, 355, 625, 1775, 4549, 8875, 22745, 44375, 113725, 322979, 568625, 1614895, 2843125, 8074475, 40372375, 201861875]

約数ペア:

[(1, 201861875), (5, 40372375), (25, 8074475), (71, 2843125), (125, 1614895), (355, 568625), (625, 322979), (1775, 113725), (4549, 44375), (8875, 22745)]