7202780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{2131}}^1$

素因数の和:2166

約数の個数: 36

約数和(自身を含む): 16386552

約数和(自身を除く): 9183772

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 2131, 3380, 4262, 8524, 10655, 21310, 27703, 42620, 55406, 110812, 138515, 277030, 360139, 554060, 720278, 1440556, 1800695, 3601390, 7202780]

約数ペア:

[(1, 7202780), (2, 3601390), (4, 1800695), (5, 1440556), (10, 720278), (13, 554060), (20, 360139), (26, 277030), (52, 138515), (65, 110812), (130, 55406), (169, 42620), (260, 27703), (338, 21310), (676, 10655), (845, 8524), (1690, 4262), (2131, 3380)]