47912020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{1451}}^1$

素因数の和:1600

約数の個数: 48

約数和(自身を含む): 109283328

約数和(自身を除く): 61371308

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 127, 130, 254, 260, 508, 635, 1270, 1451, 1651, 2540, 2902, 3302, 5804, 6604, 7255, 8255, 14510, 16510, 18863, 29020, 33020, 37726, 75452, 94315, 184277, 188630, 368554, 377260, 737108, 921385, 1842770, 2395601, 3685540, 4791202, 9582404, 11978005, 23956010, 47912020]

約数ペア:

[(1, 47912020), (2, 23956010), (4, 11978005), (5, 9582404), (10, 4791202), (13, 3685540), (20, 2395601), (26, 1842770), (52, 921385), (65, 737108), (127, 377260), (130, 368554), (254, 188630), (260, 184277), (508, 94315), (635, 75452), (1270, 37726), (1451, 33020), (1651, 29020), (2540, 18863), (2902, 16510), (3302, 14510), (5804, 8255), (6604, 7255)]