12938821040

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{9513839}}^1$

素因数の和:9513869

約数の個数: 40

約数和(自身を含む): 31852336320

約数和(自身を除く): 18913515280

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 9513839, 19027678, 38055356, 47569195, 76110712, 95138390, 152221424, 161735263, 190276780, 323470526, 380553560, 646941052, 761107120, 808676315, 1293882104, 1617352630, 2587764208, 3234705260, 6469410520, 12938821040]

約数ペア:

[(1, 12938821040), (2, 6469410520), (4, 3234705260), (5, 2587764208), (8, 1617352630), (10, 1293882104), (16, 808676315), (17, 761107120), (20, 646941052), (34, 380553560), (40, 323470526), (68, 190276780), (80, 161735263), (85, 152221424), (136, 95138390), (170, 76110712), (272, 47569195), (340, 38055356), (680, 19027678), (1360, 9513839)]