8021780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{30853}}^1$

素因数の和:30875

約数の個数: 24

約数和(自身を含む): 18142152

約数和(自身を除く): 10120372

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 30853, 61706, 123412, 154265, 308530, 401089, 617060, 802178, 1604356, 2005445, 4010890, 8021780]

約数ペア:

[(1, 8021780), (2, 4010890), (4, 2005445), (5, 1604356), (10, 802178), (13, 617060), (20, 401089), (26, 308530), (52, 154265), (65, 123412), (130, 61706), (260, 30853)]