39388180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{769}}^1$

素因数の和:988

約数の個数: 48

約数和(自身を含む): 89646480

約数和(自身を除く): 50258300

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 197, 260, 394, 769, 788, 985, 1538, 1970, 2561, 3076, 3845, 3940, 5122, 7690, 9997, 10244, 12805, 15380, 19994, 25610, 39988, 49985, 51220, 99970, 151493, 199940, 302986, 605972, 757465, 1514930, 1969409, 3029860, 3938818, 7877636, 9847045, 19694090, 39388180]

約数ペア:

[(1, 39388180), (2, 19694090), (4, 9847045), (5, 7877636), (10, 3938818), (13, 3029860), (20, 1969409), (26, 1514930), (52, 757465), (65, 605972), (130, 302986), (197, 199940), (260, 151493), (394, 99970), (769, 51220), (788, 49985), (985, 39988), (1538, 25610), (1970, 19994), (2561, 15380), (3076, 12805), (3845, 10244), (3940, 9997), (5122, 7690)]