12880150

素因数分解:

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

素因数の和:217

約数の個数: 48

約数和(自身を含む): 25185888

約数和(自身を除く): 12305738

約数列:

[1, 2, 5, 10, 25, 41, 50, 61, 82, 103, 122, 205, 206, 305, 410, 515, 610, 1025, 1030, 1525, 2050, 2501, 2575, 3050, 4223, 5002, 5150, 6283, 8446, 12505, 12566, 21115, 25010, 31415, 42230, 62525, 62830, 105575, 125050, 157075, 211150, 257603, 314150, 515206, 1288015, 2576030, 6440075, 12880150]

約数ペア:

[(1, 12880150), (2, 6440075), (5, 2576030), (10, 1288015), (25, 515206), (41, 314150), (50, 257603), (61, 211150), (82, 157075), (103, 125050), (122, 105575), (205, 62830), (206, 62525), (305, 42230), (410, 31415), (515, 25010), (610, 21115), (1025, 12566), (1030, 12505), (1525, 8446), (2050, 6283), (2501, 5150), (2575, 5002), (3050, 4223)]