205345880

素因数分解:

$2^3\times 5^1\times {\mathrm{1373}}^1\times {\mathrm{3739}}^1$

素因数の和:5123

約数の個数: 32

約数和(自身を含む): 462488400

約数和(自身を除く): 257142520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1373, 2746, 3739, 5492, 6865, 7478, 10984, 13730, 14956, 18695, 27460, 29912, 37390, 54920, 74780, 149560, 5133647, 10267294, 20534588, 25668235, 41069176, 51336470, 102672940, 205345880]

約数ペア:

[(1, 205345880), (2, 102672940), (4, 51336470), (5, 41069176), (8, 25668235), (10, 20534588), (20, 10267294), (40, 5133647), (1373, 149560), (2746, 74780), (3739, 54920), (5492, 37390), (6865, 29912), (7478, 27460), (10984, 18695), (13730, 14956)]