2195960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1$

素因数の和:168

約数の個数: 64

約数和(自身を含む): 5503680

約数和(自身を除く): 3307720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 41, 52, 65, 82, 103, 104, 130, 164, 205, 206, 260, 328, 410, 412, 515, 520, 533, 820, 824, 1030, 1066, 1339, 1640, 2060, 2132, 2665, 2678, 4120, 4223, 4264, 5330, 5356, 6695, 8446, 10660, 10712, 13390, 16892, 21115, 21320, 26780, 33784, 42230, 53560, 54899, 84460, 109798, 168920, 219596, 274495, 439192, 548990, 1097980, 2195960]

約数ペア:

[(1, 2195960), (2, 1097980), (4, 548990), (5, 439192), (8, 274495), (10, 219596), (13, 168920), (20, 109798), (26, 84460), (40, 54899), (41, 53560), (52, 42230), (65, 33784), (82, 26780), (103, 21320), (104, 21115), (130, 16892), (164, 13390), (205, 10712), (206, 10660), (260, 8446), (328, 6695), (410, 5356), (412, 5330), (515, 4264), (520, 4223), (533, 4120), (820, 2678), (824, 2665), (1030, 2132), (1066, 2060), (1339, 1640)]