52761020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{661}}^1$

素因数の和:990

約数の個数: 48

約数和(自身を含む): 119890848

約数和(自身を除く): 67129828

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 307, 614, 661, 1228, 1322, 1535, 2644, 3070, 3305, 3991, 6140, 6610, 7982, 8593, 13220, 15964, 17186, 19955, 34372, 39910, 42965, 79820, 85930, 171860, 202927, 405854, 811708, 1014635, 2029270, 2638051, 4058540, 5276102, 10552204, 13190255, 26380510, 52761020]

約数ペア:

[(1, 52761020), (2, 26380510), (4, 13190255), (5, 10552204), (10, 5276102), (13, 4058540), (20, 2638051), (26, 2029270), (52, 1014635), (65, 811708), (130, 405854), (260, 202927), (307, 171860), (614, 85930), (661, 79820), (1228, 42965), (1322, 39910), (1535, 34372), (2644, 19955), (3070, 17186), (3305, 15964), (3991, 13220), (6140, 8593), (6610, 7982)]