12562940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{229}}^1$

素因数の和:462

約数の個数: 48

約数和(自身を含む): 28670880

約数和(自身を除く): 16107940

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 211, 229, 260, 422, 458, 844, 916, 1055, 1145, 2110, 2290, 2743, 2977, 4220, 4580, 5486, 5954, 10972, 11908, 13715, 14885, 27430, 29770, 48319, 54860, 59540, 96638, 193276, 241595, 483190, 628147, 966380, 1256294, 2512588, 3140735, 6281470, 12562940]

約数ペア:

[(1, 12562940), (2, 6281470), (4, 3140735), (5, 2512588), (10, 1256294), (13, 966380), (20, 628147), (26, 483190), (52, 241595), (65, 193276), (130, 96638), (211, 59540), (229, 54860), (260, 48319), (422, 29770), (458, 27430), (844, 14885), (916, 13715), (1055, 11908), (1145, 10972), (2110, 5954), (2290, 5486), (2743, 4580), (2977, 4220)]