42307640

素因数分解:

$2^3\times 5^1\times {\mathrm{389}}^1\times {\mathrm{2719}}^1$

素因数の和:3119

約数の個数: 32

約数和(自身を含む): 95472000

約数和(自身を除く): 53164360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 389, 778, 1556, 1945, 2719, 3112, 3890, 5438, 7780, 10876, 13595, 15560, 21752, 27190, 54380, 108760, 1057691, 2115382, 4230764, 5288455, 8461528, 10576910, 21153820, 42307640]

約数ペア:

[(1, 42307640), (2, 21153820), (4, 10576910), (5, 8461528), (8, 5288455), (10, 4230764), (20, 2115382), (40, 1057691), (389, 108760), (778, 54380), (1556, 27190), (1945, 21752), (2719, 15560), (3112, 13595), (3890, 10876), (5438, 7780)]