66912040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{128677}}^1$

素因数の和:128701

約数の個数: 32

約数和(自身を含む): 162134280

約数和(自身を除く): 95222240

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 128677, 257354, 514708, 643385, 1029416, 1286770, 1672801, 2573540, 3345602, 5147080, 6691204, 8364005, 13382408, 16728010, 33456020, 66912040]

約数ペア:

[(1, 66912040), (2, 33456020), (4, 16728010), (5, 13382408), (8, 8364005), (10, 6691204), (13, 5147080), (20, 3345602), (26, 2573540), (40, 1672801), (52, 1286770), (65, 1029416), (104, 643385), (130, 514708), (260, 257354), (520, 128677)]