31026875

素因数分解:

$5^4\times {\mathrm{11}}^1\times {\mathrm{4513}}^1$

素因数の和:4544

約数の個数: 20

約数和(自身を含む): 42305208

約数和(自身を除く): 11278333

約数列:

[1, 5, 11, 25, 55, 125, 275, 625, 1375, 4513, 6875, 22565, 49643, 112825, 248215, 564125, 1241075, 2820625, 6205375, 31026875]

約数ペア:

[(1, 31026875), (5, 6205375), (11, 2820625), (25, 1241075), (55, 564125), (125, 248215), (275, 112825), (625, 49643), (1375, 22565), (4513, 6875)]