5489900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1$

素因数の和:171

約数の個数: 72

約数和(自身を含む): 13269984

約数和(自身を除く): 7780084

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 41, 50, 52, 65, 82, 100, 103, 130, 164, 205, 206, 260, 325, 410, 412, 515, 533, 650, 820, 1025, 1030, 1066, 1300, 1339, 2050, 2060, 2132, 2575, 2665, 2678, 4100, 4223, 5150, 5330, 5356, 6695, 8446, 10300, 10660, 13325, 13390, 16892, 21115, 26650, 26780, 33475, 42230, 53300, 54899, 66950, 84460, 105575, 109798, 133900, 211150, 219596, 274495, 422300, 548990, 1097980, 1372475, 2744950, 5489900]

約数ペア:

[(1, 5489900), (2, 2744950), (4, 1372475), (5, 1097980), (10, 548990), (13, 422300), (20, 274495), (25, 219596), (26, 211150), (41, 133900), (50, 109798), (52, 105575), (65, 84460), (82, 66950), (100, 54899), (103, 53300), (130, 42230), (164, 33475), (205, 26780), (206, 26650), (260, 21115), (325, 16892), (410, 13390), (412, 13325), (515, 10660), (533, 10300), (650, 8446), (820, 6695), (1025, 5356), (1030, 5330), (1066, 5150), (1300, 4223), (1339, 4100), (2050, 2678), (2060, 2665), (2132, 2575)]