51800225

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{751}}^1$

素因数の和:881

約数の個数: 24

約数和(自身を含む): 67138560

約数和(自身を除く): 15338335

約数列:

[1, 5, 25, 31, 89, 155, 445, 751, 775, 2225, 2759, 3755, 13795, 18775, 23281, 66839, 68975, 116405, 334195, 582025, 1670975, 2072009, 10360045, 51800225]

約数ペア:

[(1, 51800225), (5, 10360045), (25, 2072009), (31, 1670975), (89, 582025), (155, 334195), (445, 116405), (751, 68975), (775, 66839), (2225, 23281), (2759, 18775), (3755, 13795)]