3121820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{12007}}^1$

素因数の和:12029

約数の個数: 24

約数和(自身を含む): 7060704

約数和(自身を除く): 3938884

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 12007, 24014, 48028, 60035, 120070, 156091, 240140, 312182, 624364, 780455, 1560910, 3121820]

約数ペア:

[(1, 3121820), (2, 1560910), (4, 780455), (5, 624364), (10, 312182), (13, 240140), (20, 156091), (26, 120070), (52, 60035), (65, 48028), (130, 24014), (260, 12007)]