39883220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{727}}^1$

素因数の和:960

約数の個数: 48

約数和(自身を含む): 90749568

約数和(自身を除く): 50866348

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 211, 260, 422, 727, 844, 1055, 1454, 2110, 2743, 2908, 3635, 4220, 5486, 7270, 9451, 10972, 13715, 14540, 18902, 27430, 37804, 47255, 54860, 94510, 153397, 189020, 306794, 613588, 766985, 1533970, 1994161, 3067940, 3988322, 7976644, 9970805, 19941610, 39883220]

約数ペア:

[(1, 39883220), (2, 19941610), (4, 9970805), (5, 7976644), (10, 3988322), (13, 3067940), (20, 1994161), (26, 1533970), (52, 766985), (65, 613588), (130, 306794), (211, 189020), (260, 153397), (422, 94510), (727, 54860), (844, 47255), (1055, 37804), (1454, 27430), (2110, 18902), (2743, 14540), (2908, 13715), (3635, 10972), (4220, 9451), (5486, 7270)]