68192020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{6397}}^1$

素因数の和:6460

約数の個数: 48

約数和(自身を含む): 158005008

約数和(自身を除く): 89812988

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 41, 52, 65, 82, 130, 164, 205, 260, 410, 533, 820, 1066, 2132, 2665, 5330, 6397, 10660, 12794, 25588, 31985, 63970, 83161, 127940, 166322, 262277, 332644, 415805, 524554, 831610, 1049108, 1311385, 1663220, 2622770, 3409601, 5245540, 6819202, 13638404, 17048005, 34096010, 68192020]

約数ペア:

[(1, 68192020), (2, 34096010), (4, 17048005), (5, 13638404), (10, 6819202), (13, 5245540), (20, 3409601), (26, 2622770), (41, 1663220), (52, 1311385), (65, 1049108), (82, 831610), (130, 524554), (164, 415805), (205, 332644), (260, 262277), (410, 166322), (533, 127940), (820, 83161), (1066, 63970), (2132, 31985), (2665, 25588), (5330, 12794), (6397, 10660)]