166576280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{320339}}^1$

素因数の和:320363

約数の個数: 32

約数和(自身を含む): 403628400

約数和(自身を除く): 237052120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 320339, 640678, 1281356, 1601695, 2562712, 3203390, 4164407, 6406780, 8328814, 12813560, 16657628, 20822035, 33315256, 41644070, 83288140, 166576280]

約数ペア:

[(1, 166576280), (2, 83288140), (4, 41644070), (5, 33315256), (8, 20822035), (10, 16657628), (13, 12813560), (20, 8328814), (26, 6406780), (40, 4164407), (52, 3203390), (65, 2562712), (104, 1601695), (130, 1281356), (260, 640678), (520, 320339)]