13009880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{197}}^1$

素因数の和:348

約数の個数: 64

約数和(自身を含む): 31933440

約数和(自身を除く): 18923560

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 127, 130, 197, 254, 260, 394, 508, 520, 635, 788, 985, 1016, 1270, 1576, 1651, 1970, 2540, 2561, 3302, 3940, 5080, 5122, 6604, 7880, 8255, 10244, 12805, 13208, 16510, 20488, 25019, 25610, 33020, 50038, 51220, 66040, 100076, 102440, 125095, 200152, 250190, 325247, 500380, 650494, 1000760, 1300988, 1626235, 2601976, 3252470, 6504940, 13009880]

約数ペア:

[(1, 13009880), (2, 6504940), (4, 3252470), (5, 2601976), (8, 1626235), (10, 1300988), (13, 1000760), (20, 650494), (26, 500380), (40, 325247), (52, 250190), (65, 200152), (104, 125095), (127, 102440), (130, 100076), (197, 66040), (254, 51220), (260, 50038), (394, 33020), (508, 25610), (520, 25019), (635, 20488), (788, 16510), (985, 13208), (1016, 12805), (1270, 10244), (1576, 8255), (1651, 7880), (1970, 6604), (2540, 5122), (2561, 5080), (3302, 3940)]