12453220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{227}}^1$

素因数の和:460

約数の個数: 48

約数和(自身を含む): 28421568

約数和(自身を除く): 15968348

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 211, 227, 260, 422, 454, 844, 908, 1055, 1135, 2110, 2270, 2743, 2951, 4220, 4540, 5486, 5902, 10972, 11804, 13715, 14755, 27430, 29510, 47897, 54860, 59020, 95794, 191588, 239485, 478970, 622661, 957940, 1245322, 2490644, 3113305, 6226610, 12453220]

約数ペア:

[(1, 12453220), (2, 6226610), (4, 3113305), (5, 2490644), (10, 1245322), (13, 957940), (20, 622661), (26, 478970), (52, 239485), (65, 191588), (130, 95794), (211, 59020), (227, 54860), (260, 47897), (422, 29510), (454, 27430), (844, 14755), (908, 13715), (1055, 11804), (1135, 10972), (2110, 5902), (2270, 5486), (2743, 4540), (2951, 4220)]