25617005

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1$

素因数の和:245

約数の個数: 32

約数和(自身を含む): 33868800

約数和(自身を除く): 8251795

約数列:

[1, 5, 29, 31, 41, 139, 145, 155, 205, 695, 899, 1189, 1271, 4031, 4309, 4495, 5699, 5945, 6355, 20155, 21545, 28495, 36859, 124961, 165271, 176669, 184295, 624805, 826355, 883345, 5123401, 25617005]

約数ペア:

[(1, 25617005), (5, 5123401), (29, 883345), (31, 826355), (41, 624805), (139, 184295), (145, 176669), (155, 165271), (205, 124961), (695, 36859), (899, 28495), (1189, 21545), (1271, 20155), (4031, 6355), (4309, 5945), (4495, 5699)]