39540280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{76039}}^1$

素因数の和:76063

約数の個数: 32

約数和(自身を含む): 95810400

約数和(自身を除く): 56270120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 76039, 152078, 304156, 380195, 608312, 760390, 988507, 1520780, 1977014, 3041560, 3954028, 4942535, 7908056, 9885070, 19770140, 39540280]

約数ペア:

[(1, 39540280), (2, 19770140), (4, 9885070), (5, 7908056), (8, 4942535), (10, 3954028), (13, 3041560), (20, 1977014), (26, 1520780), (40, 988507), (52, 760390), (65, 608312), (104, 380195), (130, 304156), (260, 152078), (520, 76039)]