16051025

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{149}}^1$

素因数の和:329

約数の個数: 24

約数和(自身を含む): 20832000

約数和(自身を除く): 4780975

約数列:

[1, 5, 25, 31, 139, 149, 155, 695, 745, 775, 3475, 3725, 4309, 4619, 20711, 21545, 23095, 103555, 107725, 115475, 517775, 642041, 3210205, 16051025]

約数ペア:

[(1, 16051025), (5, 3210205), (25, 642041), (31, 517775), (139, 115475), (149, 107725), (155, 103555), (695, 23095), (745, 21545), (775, 20711), (3475, 4619), (3725, 4309)]