6440075

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1$

素因数の和:215

約数の個数: 24

約数和(自身を含む): 8395296

約数和(自身を除く): 1955221

約数列:

[1, 5, 25, 41, 61, 103, 205, 305, 515, 1025, 1525, 2501, 2575, 4223, 6283, 12505, 21115, 31415, 62525, 105575, 157075, 257603, 1288015, 6440075]

約数ペア:

[(1, 6440075), (5, 1288015), (25, 257603), (41, 157075), (61, 105575), (103, 62525), (205, 31415), (305, 21115), (515, 12505), (1025, 6283), (1525, 4223), (2501, 2575)]