81114620

素因数分解:

$2^2\times 5^1\times {\mathrm{1103}}^1\times {\mathrm{3677}}^1$

素因数の和:4789

約数の個数: 24

約数和(自身を含む): 170541504

約数和(自身を除く): 89426884

約数列:

[1, 2, 4, 5, 10, 20, 1103, 2206, 3677, 4412, 5515, 7354, 11030, 14708, 18385, 22060, 36770, 73540, 4055731, 8111462, 16222924, 20278655, 40557310, 81114620]

約数ペア:

[(1, 81114620), (2, 40557310), (4, 20278655), (5, 16222924), (10, 8111462), (20, 4055731), (1103, 73540), (2206, 36770), (3677, 22060), (4412, 18385), (5515, 14708), (7354, 11030)]