51775625

素因数分解:

$5^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{443}}^1$

素因数の和:491

約数の個数: 40

約数和(自身を含む): 74901024

約数和(自身を除く): 23125399

約数列:

[1, 5, 11, 17, 25, 55, 85, 125, 187, 275, 425, 443, 625, 935, 1375, 2125, 2215, 4675, 4873, 6875, 7531, 10625, 11075, 23375, 24365, 37655, 55375, 82841, 116875, 121825, 188275, 276875, 414205, 609125, 941375, 2071025, 3045625, 4706875, 10355125, 51775625]

約数ペア:

[(1, 51775625), (5, 10355125), (11, 4706875), (17, 3045625), (25, 2071025), (55, 941375), (85, 609125), (125, 414205), (187, 276875), (275, 188275), (425, 121825), (443, 116875), (625, 82841), (935, 55375), (1375, 37655), (2125, 24365), (2215, 23375), (4675, 11075), (4873, 10625), (6875, 7531)]