201920225

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{13219}}^1$

素因数の和:13289

約数の個数: 24

約数和(自身を含む): 275399040

約数和(自身を除く): 73478815

約数列:

[1, 5, 13, 25, 47, 65, 235, 325, 611, 1175, 3055, 13219, 15275, 66095, 171847, 330475, 621293, 859235, 3106465, 4296175, 8076809, 15532325, 40384045, 201920225]

約数ペア:

[(1, 201920225), (5, 40384045), (13, 15532325), (25, 8076809), (47, 4296175), (65, 3106465), (235, 859235), (325, 621293), (611, 330475), (1175, 171847), (3055, 66095), (13219, 15275)]