1097980

素因数分解:

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

素因数の和:166

約数の個数: 48

約数和(自身を含む): 2568384

約数和(自身を除く): 1470404

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 41, 52, 65, 82, 103, 130, 164, 205, 206, 260, 410, 412, 515, 533, 820, 1030, 1066, 1339, 2060, 2132, 2665, 2678, 4223, 5330, 5356, 6695, 8446, 10660, 13390, 16892, 21115, 26780, 42230, 54899, 84460, 109798, 219596, 274495, 548990, 1097980]

約数ペア:

[(1, 1097980), (2, 548990), (4, 274495), (5, 219596), (10, 109798), (13, 84460), (20, 54899), (26, 42230), (41, 26780), (52, 21115), (65, 16892), (82, 13390), (103, 10660), (130, 8446), (164, 6695), (205, 5356), (206, 5330), (260, 4223), (410, 2678), (412, 2665), (515, 2132), (533, 2060), (820, 1339), (1030, 1066)]